13 best wheels with tris

Product features

From the Preface

This book is meant for developers who have some experience with Go; I make no attempt to explain the basic syntax of the language. Knowledge of how concurrency is presented in other languages is useful, but not necessary.

By the end of this book we will have discussed the entire stack of Go concurrency concerns: common concurrency pitfalls, motivation behind the design of Go’s concurrency, the basic syntax of Go’s concurrency primitives, common concurrency patterns, patterns of patterns, and various tooling that will help you along the way.

Because of the breadth of topics we’ll cover, this book will be useful to various cross-sections of people. The next section will help you navigate this book depending on what needs you have.

Navigating This Book

When I read technical books, I usually hop around to the areas that pique my interest. Or, if I’m trying to ramp up on a new technology for work, I frantically skim for the bits that are immediately relevant to my work. Whatever your use case is, here’s a roadmap for the book with the hopes that it help guide you to where you need to be!

Chapter 1, An Introduction to Concurrency.

This chapter will give you a broad historical perspective on why concurrency is an important concept, and also discuss some of the fundamental problems that make concurrency difficult to get correct. It also briefly touches on how Go helps ease some of this burden.

If you have a working knowledge of concurrency or just want to get to the technical aspects of how to use Go’s concurrency primitives, it’s safe to skip this chapter.

Chapter 2, Modeling Your Code: Communicating Sequential Processes.

This chapter deals with some of the motivational factors that contributed to Go’s design. This will help give you some context for conversations with others in the Go community and help to frame your understanding of why things work the way they do in the language.

Chapter 3, Go’s Concurrency Building Blocks.

Here we’ll start to dig into the syntax of Go’s concurrency primitives. We’ll also cover the sync package, which is responsible for handling Go’s memory access synchronization. If you haven’t used concurrency within Go before and are looking to hop right in, this is the place to start.

Interspersed with the basics of writing concurrent code in Go are comparisons of concepts to other languages and concurrency models. Strictly speaking, it’s not necessary to understand these things, but these concepts help you to achieve a complete understanding on concurrency in Go.

Chapter 4, Concurrency Patterns in Go.

In this chapter, we begin to look at how Go’s concurrency primitives are composed together to form useful patterns. These patterns will both help us solve problems and avoid issues that can come up when combining concurrency primitives.

If you’ve already been writing some concurrent code in Go, this chapter should still prove useful.

Chapter 5, Concurrency at Scale.

In this chapter, we take the patterns we have learned and compose these into larger patterns commonly employed in larger programs, services, and distributed systems.

Chapter 6, Goroutines and the Go Runtime.

This chapter describes how the Go runtime handles scheduling goroutines. This is for those of you who want to understand the internals of Go’s runtime.

Appendix.

The appendix simply enumerates various tools and commands that can help make writing and debugging concurrent programs easier.

Product description

Raf.Liquid P2-360R 4*Fan RGB Remote Control + Sync Software

• Liquid cooling

Product description

Lenbest upgraded folding shopping cart designed with bigger rubber climbing stairs tri-wheels, larger loading capacity and sturdy metal construction, perfect for daily shopping, laundry pickup, or everyday transport.

Why Choose Lenbest Shopping Cart?

220LB Larger Loading - Built with sturdy metal construction to make the stair cart steel frame, with larger cart base plate, which can load heavy stuff up to 220LB.

75L Oversized Shopping Bag - 75L extra large capacity shopping bag, enables you to hold more goods at any time during shopping.

Easy to Climb Stairs - Designed with new tri-wheels for easy to climb stairs, no need to move a cart when going up and down stairs, smart choice for the elderly.

With an Adjustable Bungee Cord - This foldable shopping cart come with an adjustable bungee cord, you can freely adjust the length of the bungee cord to fix the large-size stuff.

With 6 Small Pockets - The shopping bag contains 6 pockets for storage small things, which include 1 large inside pocket,1 front pocket, 1 back zipper pocket, 1 inner zipper pocket and 2 large side pockets.

Comfortable & Longer Sponge Handle - Upgraded longer handle, no need bend your waist while draging, and it is coverd with soft sponge to reduces stress on joints, more comfortable.

Quiet Rubber Wheel - The shopping cart wheels are made of high-quality rubber materials, which is noise-free while walking on any roads surfaces.

Easily Store Folding Hand Cart - Easily foldable in half when not in use, can be easily store it in the trunk of your car or in your storage room.

Specifications:

Expand Size：44*19*18 inches

Folding Size：25*16*11 inches

Shopping Bag Size：15*11*24 inches

Cart Base Plate Size：15*12 inches

Package included:

1 x Shopping Bag

1 x Shopping Cart Frame

1 x Adjustable Bungee Cord

2 x Tri-wheels

1 x Shopping Cart Axle

2x Small Tubes

• ★【220LB/75L Super Loading Capacity Cart】★Our shopping cart heavy duty stair cart featured with the bigger heavy duty wheel, upgraded larger shopping cart base and sturdy steel metal cart construction, can withstand heavy things up to 220 lbs. The 75L super capacity shopping bag can hold more groceries than other carts, also with 6 small pockets to store little things such as keys and so on.
• ★【Heavy Duty Rubber Tri-Wheel】★Our upgraded foldable grocery cart wheels are larger than other grocery carts, and designed with special tri-wheel, make up and down stairs more easily when loading heavy things. Best practical climb stairs shopping cart gift for the elder. And our Heavy duty stair climb cart wheels can bear heavier things. The premium rubber cart wheel material ensures quiet and stable loading. (Note: Please go up and down stairs correctly follow the way shown in the picture)
• ★【Ergonomic Longer Handle & Multi-Functional Uses】★Our grocery utility shopping cart featured with improved longer cart handle, no need to bend over anymore, practical life tool for people with back problem. And the stair climbing shopping cart handle caver with soft cushion, comfortable and feel warm in winter. And this folding groceries cart can be used as a shopping cart, grocery cart, handcart, or laundry cart, multi-functional and practical.
• ★【2 IN 1 Design & With Adjustable Bungee Cord】★2 in 1 Use grocery shopping cart: ①With shopping bag attached, used as shopping cart; ②Remove shopping bag, used as hand truck. Come with flexible & adjustable bungee cord for loading more stable.
• ★【Easily Assemble And Can Be Foldable】★Our foldable grocery cart will come with a detailed installation instruction for simple and quick assemble. When not in use, you can easily fold it up to store the stair climber in the trunk or home storage room, it won't take much space.(Note: Please make sure the cart wheels are fixed firmly before use) ★If you have any question, please feel free to contact us, we are really happy to help.

User questions & answers

Question:	Does this cart work on beach
Answer:	Our husky has a grey body, a pair of blue eyes and white claws.
Question:	I am 70 year old and it is diffclult for me to climb stairs with heavy stuff, is this shopping cart can climb stairs easily with heavy stuff
Answer:	Our door wedge doesn't fit to keep door open by weight. However it can be inserted into the slot(0.4"-1") between bottom of the door and floor to prevent the door from slamming.
Question:	Is this rolling grocery cart sturdy enough to transport heavy cargo? Will it eaily broken
Answer:	Sorry to tell you that there is no name tag on bull terrier's collar.
Question:	Is the cart plateform higher than wheels
Answer:	Really sorry to tell you that we didn't sell this kind of door stop any more.

Product features

220 lbs Larger Loading

The foldable utility cart built with sturdy metal construction to make the stair cart steel frame, with larger cart base plate, which can load heavy stuff up to 220 lbs.

75L Oversized Shopping Bag

Our grocery foldable cart design with 75L extra large capacity shopping bag, enables you to hold more goods in the bag at any time during shopping.

Easy Assemble and Collapsible

Our foldable cart can be easily foldable in half when not in use, can be easily store it in the trunk of your car or in your storage room.

Easy to Climb Stairs

This grocery stair cart designed with new tri-wheels for easy to climb stairs, no need to move a cart when going up and down stairs, smart choice for the elderly.

Longer Handle

Our grocery carts built with upgraded longer handle, no need bend your waist while walking or climbing stairs, suitable for any height, more effortlessly than other carts.

Quiet Rubber Wheel

The shopping cart wheels are made of high-quality rubber materials, which is noise-free while walking on any roads surfaces.

Comfortable Sponge Handle

The foldable shopping cart handle is coverd with soft sponge to reduces stress on joints, more comfortable.

Offer Extra Adjustable Bungee Cord

This folding utility cart come with an adjustable bungee cord, you can freely adjust the length of the bungee cord to fix the large-size or heavy stuff.

Specifications:

Expand Size：44*19*18 inches

Folding Size：25*16*11 inches

Shopping Bag Size：15*11*24 inches

Cart Base Plate Size：15*12 inches

• 200 lbs Load Capacity: Unique dolly design works great when moving heavy furniture.
• Sturdy Steel Construction: Solid stamped steel construction provides top of the line durability. Steel body composition with just the right engineered lines to maintain rigidity under load.
• Gushioned Support: Foam discs offer furniture protection.
• Sturdy Swivel Action: durable polyolefin wheels with steel bearings. Swivel casters roll smoothly with heavy loads.
• Easy to use: Great for move bulky and heavy loads in the home, shop or garage.

User questions & answers

Question:	What is the diameter of the circular platform on the dolly
Answer:	3"
Question:	Where is this item made
Answer:	Place of manufacture is not stamped on the part so I have to assume USA
Question:	i have a 500 pound grill that has 8 legs .. if i did one of these for each of the 8 legs it should hold the 500 pounds
Answer:	We are sorry to say that is infeasible. The maximum load capacity is just 200lbs no matter how many the dollies you use.
Question:	Are these rated for 200lbs each or total for all
Answer:	200lbs is per tri-dolly. When using 4 at the same time, it can withstand 330 pounds. Tips: it is not 1 + 1 = 2.

Product features

Wide Depressed Center

Our wide center can easy hold many size of legs for furniture, such as table, coffee table, and etc.

Cushioned Support

Foam-padded bases offer furniture protection. It can prevent furniture from scratching, damaging.

Strong Wheels

Made of polyethylene material, this wheel can capacity up to 200lbs. It can also resist water.

Sturdy Swivel Action

Durable polyolefin wheels with steel bearings. Swivel casters roll smoothly with heavy loads.

Product description

At OMB Warehouse, we strive to provide the greatest selection and quality of parts for your outdoor power equipment.Need other parts to complete your project? Check out our huge catalog - we have what you need.6" AZUSA Aluminum Tri-Star - 3" Wide with 5/8" Precision Bearings included. The AZUSA 6" Tri-Star Wheel features: 3.75" bolt circle Ball-burnished finish Bead biting edges prevent slipping Split rim design for easy tire mounting

User questions & answers

Question:	Can I use this for a camper trailer jack mover
Answer:	Thanks for the question. The price shown is for one. If you have other questions, please let us know. Mapp Caster 713-227-1144
Question:	who is the manufacturer for these casters
Answer:	Thanks for the question. Its hard to provide a good answer to this questions with out knowing exactly what your floor surface will look like. While this product can tolerate some minor defects in the floor surface, we would not recommend it for a floor with substantial defects. As far as slanted or uneven floors with a good surface, this product will work just fine assuming you are able to keep the dolly under the load. It is not uncommon for the dollies to "walk-off" when going over lips or other similar uneven points. If you have other questions we are happy to help. Mapp Caster 800-798-3309
Question:	are the wheels removable
Answer:	That would depend on what you are calling a caster, the entire unit or the 3 casters on the unit. This tri-wheel dolly has 3 casters on it. The complete unit has a capacity of #840 lbs. Each caster on the unit has a max capacity of #280 lbs. each.
Question:	Are the prices for these dollies by the each or for a set? Various models are described differently and it's unclear, looks like each
Answer:	Thanks for the question. A 3" round diameter foot is the largest round foot that will sit all the way at the base of the cup. Mapp Caster 800-798-3309
Question:	Do these come in a set of four
Answer:	Yes for the most part. It’s a little tight in the shoulders for my size. But other than that it’s true to size
Question:	Will this work on uneven ground
Answer:	Yes!
Question:	Is the weight 840 total or per caster
Answer:	How about contacting the Company and ask if they can do custom orders and how much it cost
Question:	What are the cup dimensions? What is the largest round foot that would fit in the cup
Answer:	👍

Product description

1.For children who often stay at home, the scooter is a good playmate. Not only increase their fun of playing, but also increase the strength of their legs and body joints by twisting their hips to push the 3 wheels swing scooter



2.The foldable design makes this scooter not take up too much space. You can easily carry the scooter so that your children can enjoy hours of scooter fun anywhere!



3.The LED flashing wheels is specially made for this scooter. When your child starts to slide, the LED lighting up wheels equipped with a motion sensor will flash multiple colors. Shining during the day and riding safely at night.



FEARTURES:

The scooter can be folded up easily that you can take it anywhere.

The swing scooter is suitable for playing on flat and smooth roads. Our scooters are easy to turn, drift and accelerate.

The wiggle scooter is a low-impact exercise and 2 LED wheels design makes kids are more funny.

The design of Front handbrake system and heavy duty steel frame provide more safety and better control.



SPECIFICATIONS:

Age: 3-8 years

Colour: White, Black, Pink, Blue, Green

Brake System: Grip Brake

Main material type: Steel + Plastic + Aluminum + PU

Maximum weight capacity: 110LB

Handlebar to handlebar size: 50 inches

Product Size(for adjust height): 29.92 * 18.11 * (29.92-33.07) inches

Package size: 32.28 * 8.46 * 6.49 inches

Folded Size: 30.7 * 8.66 * 5.9 inches

Pedal size: 9.84 * 3.54 inches

Front wheel size: 5.11 inches

Rear wheels size: 4.33 inches



PACKAGE:

1 * AODI Scooter

1 * English Manual

1 * Hex Wrench

1 * Cross Wrench

1 * Open Wrench



NOTES:

1. When your child is using our scooter, please take appropriate protective measures.

2. Manual measurement of all dimensions, there may be deviations.

3. Check out the items and accessories are complete or not. If not, contact us please.

• ☆ LED FlASHING WHEELS: Our scooter features two rear LED light-up wheels. These two led wheels have motion sensors inside, which will light up when in use. Whether during the day or at night, you can see the bright. Your boys & girls would like it.
• ☆ ADJUSTABLE HANDLEBAR: The handlebar of our kid's scooter can be adjusted. The Height range from 29.92-33.07 inches and the maximum weight is 120 lbs, which will accompany your child's growth and then can make the children enjoy it more happily and longer.
• ☆ FOLDABLE & EASY TO CARRY: Foldable design of the 3 wheel scooter allows you to fold/unfold easily. Put the kick scooter in the trunk of the car to satisfy the child's desire to play in more places.
• ☆ SAFETY: Quick response handbrake in the handlebar front offers children to gain better control and safety. Heavy-duty steel frame, 3 PU wheels, and Non-slip foot pedal designs are made this scooter that can provide more stability, more safety, and more fun.
• ☆ WARRANTY: We provide a 1-YEAR WARRANTY and 7 * 24-HOURS customer service. We are both a factory and a seller that can repair or replace the scooter you bought. If you have any quality questions, you can contact us by using e-mail from your order ID, which we will address your issues in time. We are always at your service!

User questions & answers

Question:	Is there a way to turn off the led lights
Answer:	Yes, these wheels are removable and can be replaced if needed. Mapp Caster 800-798-3309
Question:	Does this go well on concrete that isn’t smooth? our driveway is like small rocks versus a smooth driveway. does this still operate smoothly? thanks
Answer:	Hi Ryan, these are sold by the individual dolly. If you need anything else, just let us know. Mapp Caster 1-800-798-3309

Product description

Shepherd Hardware 7299 6-Inch Tri-Dolly adds mobility to heavy, bulky items in the basement, garage, or patio. This dolly features tough 1-1/8" polyolefin wheels with steel bearings to add support to the frame. This item is part of our Move-It Home Series and has a 200-lb load rating.

• 1-1/8" durable polyolefin wheels with steel bearings
• Can be used indoors or outdoors
• Low profile design adds mobility to loads of all sizes
• 200-lb Load Capacity
• 4 Pack

Product features

Shepherd Hardware Tri-Dolly

The Shepherd Hardware 9299 6-Inch Tri-Dolly adds mobility to heavy, bulky items in the basement, garage, or patio. The polyolefin wheels with steel bearings to add support to the frame.

Features

• 1-1/8" durable polyolefin wheels with steel bearings
• Can be used indoors or outdoors
• Low profile design adds mobility to loads of all sizes
• 200-lb Load Capacity

Product description

3 Wheel Scooter for Kids Ages 5-8 Drifting and Pulling Tricks, Foldable and 3 Height Adjustable Swing Scooter with Quick Response Brake for Boys and Girls

“Y” frame scooter where kids shift their weight from side to side to propel forward. Unique three-wheel design means no more kicking the pavement – just twist the hips and go and gives kids a great workout and opens up new skills like drifting, carving, and leaving others behind in the dust. It’s a completely different way of riding, advanced self-propelled scooter.



>>Product Features:

A low-impact funny exercise

Heavy duty steel frame

3 wheels Swing adds driving stability

Suitable for using on flat, smooth surfaces

Push Scooter-Easy turning, drifting and acceleration

Front handbrake stystem provides better control and safety

Flexible ride and control it in many different ways as you like

Scooter can be folded up for easy storage and transport

The rear end wheels provides swing freely along the plane of the floor

The Mini 3 wheels push scooter allows the rider to propel forward without pedal or touch the ground



>>Product Specifications:

Scooter Type: Push Scooter

Brake system: cable and front brake bracket

Main Material: Steel+Aluminum+ABS

Wheel: PU

User loading: 50kg/110lbs

Recommended age: 5+

Occasion: Outdoor



>>Product Dimensions:

Footplate size: 25 x 9cm/9.8 x 3.5inch

Product size: L 85 x W 53 x H(63-80)cm/33.2 x 20.7 x (24.6-31.2)inch



>>Package Content:

1 x Scooter

1 x Install Tools



*We provide the all-around after-sale service for every customer to achieve utmost satisfaction.

*If you are not 100% satisfied with the quality of the product within 90 days, simply reply to the email and let us know about the issue. We will assist you within one day.

• Main Material: Steel+Aluminum+ABS; Wheel: PU
• Imported
• ★★ FUN TO USE: To move it you have to stand properly on the foot rests and move your weight through your feet one at a time this makes the back wheels move in an "S" shape therefore no ring the scooter forward but this can also drift with using your weight against the handle bars
• ► Innovative Three-Wheeled Scooter: Perform smooth carving and drifting actions with this free-style scooter, riders simply move their hips from side to side to get going, while continuing to use their own body power for self-propelling fun
• ► Sturdy & Foldable: A reinforced light weight steel frame (Steel+Aluminum+ABS), which makes it easy for kids to handle, yet sturdy enough to last for years; Besides, scooter can be folded up for easy storage and transport
• ► More Safety: High performance anti-vibration rubber grips, a built-in quick response hand brake that offers increased control and safety, 3 wheel design helps kids to keep balance easier
• ► Height Adjustable: L 85 x W 53 x H(75-85)cm/33.2 x 20.7 x (29.5-33.5)inch; User loading: 50kg/110lbs; Recommended children aged 3 and over

Product description

Lynx Stop ‘N Chock, 2 PackThe only self-positioning guide. Now you’ll hit the top of the stack every time. The perfect accessory for your original Lynx Levelers. Just place the Stop ‘N Chock on a stack of Lynx Levelers, butt the stack up to the wheels, slowly idle your RV to the top of the stack until you Stop ‘n Chock. It’s that easy!• Strong and durable.• Easy to clean.• Safe and easy to use.• 8.5" x 8.5" x 6". MFG# 00018-2PK 000182PK UPC# 765053817301

User questions & answers

Question:	Are these compatible with Camco leveling blocks
Answer:	Not sure but very heavy duty.

Product description

Eyunstar Foldable Grocery Shopping Cart, Stair Climber Utility Trolley Tote Bag, 6 Urethane Wheels for Flat Or Stair Climbing, Collapsible Folding For Easy Storage, Suitable for Shopping

Features:

✔Stair Climbing Wheels: 

These wheels are specifically designed for climbing steps and curbs; the tri-wheels allow you to roll the cart up steps and curbs with ease.

✔Water Repellant Bag: 

The bag that attaches to the cart is made from water repellent oxford fabric; it features 2 side pockets and a rear pocket with a zipper.

✔Dimensions: 

the entire cart measures 93cm height; bag measures 57 x 32cm; the cart folds to a compact size for easy storage.

✔Applications:

This cart can be used for an endless variety of situations such as shopping at farmers markets, flea markets, groceries, and malls. Also can be used for transporting laundry to and from the laundromat and running errands around town.

Specifications:

Material: Aluminum Alloy + Durable Plastic + Stainless Steel + 600 D Oxford Cloth

Color: As picture shows

Bag Size: 21.7 x 12.8 x 7.1 in

Folded Size: 24 x 15.4 in 

Unfold Size: 37 x 15.4 x 12.6 in

Bungee Cord Size: 59 x 0.4 in

Package Includes:

1 x Shopping Cart

2 x Bungee Cord (Random Color)

Customer Service:

We love our customers, customer satisfaction is our priority. We promise you a good after-sale service, contact us if you have any questions, we will address your issue in 24 hours.

• 【SUPER LOADING CAPACITY】: Our upgraded shopping cart featured with the heavy duty tri-wheel, and high quality rust resistant and sturdy metal construction to make the stair cart steel frame, this foldable shopping cart will be able to withstand the heavier weight of the cargo more than other grocery cart. Capable of carrying 150 lbs. Bag size: 21.7 x 12.8 x 7.1 in. FBA Seller, fast deliver
• 【STAIR CLIMBER TROLLEY BAG】: The unique tri-wheel design of this stair climbing cart can make Up and Down stairs easily, no need to moving cart by hand when climbing stairs. Especially designed for anyone who live in a apartment or condo.
• 【COLLAPSIBLE AND SAVE SPACE】: This Capacity Grocery Shopping Foldable can be easily folded, which is very convenient for you to carry and transport. When you are not in need, you can store it in the trunk of your car, under the bed, in the closet or garage, doesn’t take up much space. Folded cart size approx: 37 x 15.4 x 12.6 in.
• 【WATERPROOF & DURABLE】: This folding shopping cart stair climbing shopping cart is made of sturdy plastic handle with rust-proof aluminum alloy frame and durable rubber wheels, stronger and lighter. The shopping bag is made of 600D oxford cloth and waterproof material, Super Loading Grocery Cart can keep the contents dry from the rain snow and the other forces of nature.
• 【WIDE APPLICATIONS】: This foldable shopping cart can be used for an endless variety of situations such as shopping at farmers markets, flea markets, groceries, and malls. It can also be used for transporting laundry to and from the laundromat and running errands around town.NOTE : For detailed installation methods,please follow the illustrated method. We love our customers, customer satisfaction is our priority.contact us if you have any questions, we will address your issue in 24 hours

Product features

Multifunctions Shopping Cart

HANGNUO Shopping Cart

- HANGNUO Shopping Cart designed for climbing steps and curbs, allows you to easily push the shopping cart up and down the stairs, and the wheels are very sturdy.

- The oxford fabric waterproof shopping bag allows you to calmly cope with rainy weather.

- The foldable frame of this trolley cart folds to a compact size for easy storage.

- The multifunction shopping cart can be used not only as a shopping cart, but also as a utility trolley.

HANGNUO Shopping Trolley Specifications

- This shopping trolley is made of Aluminum Alloy + Durable Plastic + Stainless Steel + 600 D Oxford Cloth

- the entire cart measures 93cm height; bag measures 57 x 32cm; the cart folds to a compact size for easy storage.

- The total height of the trolley cart : about 37 inches

- When you need to store HANGNUO trolley cart in the corner, you can easily fold it into : 24 x 15.4 inches

- The wheel of HANGNUO shopping cart is : 3.9 inches

- Bungee Cord is : 59 x 0.4 inch

- The max load capacity of our shopping trolley reaches :150lbs.

Climber Stairs

Three-wheels design of HANGNUO Shopping Trolley Cart can make Up and Down stairs easily, no need to moving cart by hand

Water Repellant Bag

The bag that attaches to the cart is made from water repellent oxford fabric; it features 2 side pockets and a rear pocket with a zipper.

Durable and Foldable Space Saver

This folding shopping cart is made of rust-proof aluminum alloy frame and durable rubber wheels, stronger and lighter,which can be folded in flat when not in used, perfect for keeping in your trunk, pantry or garage and only takes 24 x 15.4 inches .

Package Includes

1 x Shopping Cart

2 x Adjustable Bungee Cord (Random Color)

Higher stainless steel designed of our shopping cart saves your energy when pulling the cart or climbing stairs, Make your life easier