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Load image into Gallery viewer, Wheel-Master-20inch-Steel-Juvenile-Rear-Wheel-20-in-Clincher-RRWH0778-Bicycle-Rear-Wheel
Load image into Gallery viewer, Wheel Master 20in Juvenile Steel Rear Wheel B/O 3/8x135mm Freewheel Rim Brake

SKU: RRWH0778

20-Inch Juvenile Steel Rear Bicycle Wheel with Freewheel, 36-Spoke UCP Rim, B/O 3/8x135mm Axle, Rim Brake Compatibility, Multi-Speed (5/6/7-Speed) for Kids & Youth Bikes

Regular price $51.63
$47.99 Sale price $51.63 Regular price
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This is a pre order item. We will ship it when it comes in stock.

$10 Gift Card

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$25 Gift Card

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$75 Gift Card

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Description
Specifications

Upgrade your juvenile bicycle with the Wheel Master 20-inch Steel Rear Wheel-a durable, high-performance component engineered for reliable everyday riding. Designed specifically for young cyclists, this wheel combines rugged materials, advanced engineering, and versatile technology to deliver optimal safety and performance for 5, 6, or 7-speed freewheel setups.

Materials & Construction:

Constructed with premium steel rims, the Wheel Master 20-inch juvenile wheel features a 1.75-inch width, providing excellent durability and stability. The rim's robust design ensures long-lasting performance, making it perfect for the rigors of juvenile and recreational biking. The steel rim surface is finished in a sleek, corrosion-resistant color, adding a stylish touch to your child's bike.

Performance & Engineering:

Engineered for lightweight efficiency, the wheel utilizes 14-gauge UCP spokes, strategically tensioned for strength and resilience. The 36-spoke count enhances load distribution, reducing potential fatigue and ensuring a smooth, reliable ride. With a 135mm old axle length and a B/O 3/8" axle standard, this wheel fits a variety of juvenile bikes seamlessly.

Components & Technology:

Equipped with a high-quality W/M SB-1000 steel hub in a striking Color Pearl (CP) finish, this rear wheel ensures smooth rotation and consistent power transfer. The freewheel compatible with 5/6/7-speed gear systems allows easy gear shifting, making it ideal for versatile riding scenarios. The included Schrader valve facilitates straightforward inflation, while the tube-only design offers easy maintenance and replacement.

Style & Use Case:

Perfect for children's bikes, school bikes, or recreational cruisers, this wheel combines functionality with style. Its classic steel rim paired with vibrant hub and rim colors makes it suitable for casual rides, family outings, or urban commuting. Designed for tube-only setup, it provides a lightweight yet sturdy platform for young riders to gain confidence on two wheels.

Innovative Features:

The Wheel Master juvenile rear wheel features a quick and easy installation process, thanks to standardized components and bolt-on axles. Its corrosion-resistant finish and high-strength materials ensure longevity, even in varying weather conditions. Whether upgrading an existing bike or building a new one, this wheel offers reliable performance tailored for juvenile cyclists seeking durability and style.

Optimize your child's riding experience with the Wheel Master 20-inch Steel Rear Wheel-where performance, durability, and style merge for the perfect juvenile bike upgrade.

  • Durable steel construction with a 20-inch diameter, perfect for juvenile bikes and ensuring long-lasting performance in everyday riding.
  • Designed with a 406mm ISO rim and 25mm internal width, providing reliable support for 1.75-inch tires and enhancing stability for young cyclists.
  • Includes a high-quality 14-gauge UCP spoke design with 36 spokes, optimized for strength, responsiveness, and smooth ride quality across multiple gear combinations.
  • Features a B/O 3/8x135mm axle and rim brake compatibility, making it easy to upgrade or replace rear wheels while maintaining compatibility with standard juvenile bike frames.
  • Equipped with the W/M SB-1000 hub in a sleek chrome (CP) finish, blending style and functionality, ideal for recreational riding, commuting, or beginner cycling adventures.
Size20in
TypeTube Only
ISO406
AxleB/O 3/8
Width ID (mm)25
O.L.D.135
Ft / Rr / StRR
Rim ModelW/M Steel 1.75
Hub ModelW/M SB-1000
WallSgl
Hub ColorCP
Spoke Type14G UCP
ValveSV
Rim ColorCP
Gears5/6/7s FW
Spoke Count36H
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We pride ourselves on our ability to ship and deliver your gear with excessive speed! We ship from 22 locations throughout the United States and most orders will arrive in 3 days or less with Free Shipping on orders over $75!

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Most orders placed during the workweek before 1:00 PM Eastern time ship the same day, but during peak/holiday season or depending on inventory location handling time can take up to 48 hours. If you have questions regarding shipping estimates, don't hesitate to get in touch with us before placing the order. There is a direct signature requirement for all orders over $500.

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365 Cycles puts the customer above everything. Our number one goal is your satisfaction. When you press the shift lever you want the gears to shift, and when you buy bicycle parts, you want the bicycle parts to arrive on time in new condition. With over 60,000 products and 22 warehouse locations throughout the country, we have the parts you need and they are coming in hot!

Living an active lifestyle is just that, a lifestyle that never goes away and our goal is to always exceed your expectations so we can take this lifelong journey together. We strive to have the parts you need, at competitive prices with unmatched shipping speeds!

If there is ever an issue with an order we will work at warp speed to fix our mistake and make sure you never go a day without a bicycle! If you are not receiving the quality of service you need from one of our exceptionally qualified bicycle experts, tell them Ben Berman told you to tell them "Customer Loyalty" and then name your terms.

Our team is waiting to help you 7 days a week and they are more qualified to help than I am but if you ever feel like you're not getting the service you need I’m personally asking you to email me at ben@365cycles.com with "CUSTOMER LOYALTY" in the title and I will personally handle your order.

Over the years we have served millions of satisfied customers and continue to serve many of them today. With your feedback, we are confident we can take this lifelong journey together and build a friendship that goes beyond parts and accessories.

“If you want to go fast, go alone, if you want to go far, go together.” -Someone Smart

Ben Berman Founder & CEO of 365 Cycles


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These were established by the members of our team and we use them every week to call out team members who have shined in one of these areas. Feel free to let us know at info@365cycles.com if someone you worked with has gone above and beyond in one of these areas. 

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