Protege Fastrace 20" Road Bike

The Ultimate Launchpad for Future Champions

The Protege Fastrace 451 isn’t a toy with drop bars, it is a scaled-down, high-performance racing machine engineered specifically for young athletes. Designed for riders aged 5–8 (125–150 cm) with road, track, or triathlon aspirations, this bike delivers the speed, agility, and premium componentry of an adult race bike in a perfectly proportioned package.

Whether they are lining up for their first junior triathlon, hitting the local velodrome, or chasing weekend breakaway groups with mom and dad, the Fastrace 451 provides the competitive edge they need to ride faster and longer.

Why It’s Different: Built for Kids, Engineered for Speed

The Proportional Fit Advantage: Most kids' bikes are heavy and cumbersome. At just 8.53 kg, the Fastrace 451 utilizes an ultra-lightweight aluminum frame paired with a carbon fiber front fork, a rarity in youth bikes, to drastically reduce front-end weight, dampen road vibrations, and deliver razor-sharp handling.

• Real Race Geometry: A true downsized adult road geometry ensures optimal power transfer and a highly aerodynamic riding position.
• Precision Shifting: Equipped with a crisp 9-speed L-TWOO R5 drivetrain, allowing young riders to confidently manage elevation changes and maintain the perfect cadence.
• Pro-Level Braking: Features IIIPRO 5.0 mechanical disc brakes, providing immense, predictable stopping power in all weather conditions—giving parents ultimate peace of mind.
• Fast-Rolling 451 Wheels: The double-layer aluminum rims and 451-diameter wheel setup offer significantly lower rolling resistance and better momentum than standard 20-inch sidewalk tires.

Key Features & Benefits

• Carbon Fiber Fork: Reduces overall weight and absorbs high-frequency road chatter to keep small hands and wrists fresh.
• 9-Speed Drivetrain (11-28T): Offers a versatile gear range designed for junior racing gear-inch restrictions while providing enough climbing range for steep hills.
• Ergonomic Cockpit: Short-reach drop handlebars and short-nose racing saddle specifically tailored to support youth-specific anatomy and flexibility.
• Disc Brake Stopping Power: Cable-operated disc brakes provide the high-end performance of a modern race bike with simple, easy-to-maintain mechanics.

SPECIFICATIONS

* All specifications listed are subject to change without notice. Please note that our specifications may be impacted by manufacturer component substitution changes caused by high global demand for bikes and resulting supply chain issues in the bike industry. 

 

We use a premium delivery service to deliver all of our bikes to ensure they arrive in the best possible condition. Bicycles from a different warehouse so may arrive separately to any other items ordered. A signature is required to confirm proof of delivery.

All products are sourced from official importers and covered by manufacturers warranty. If you do need to send items back to us please make sure that you retain proof of postage in the event that it is needed.

Your product is covered by a 12 month Warranty or more if you opted for the extended warranty. Make sure you register your product.