ENJOYING MOVES
RAZOR KIDS
Features
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A Durable, Rigid, and Light Alloy Frame
This smaller version of the Polygon Razor features a well proven chainstay and a durable chromoly fork, giving young racers a stiff, reliable ride that can handle the rigors of racing. The zero-stack headset adds a sleek look and enhances front-end adjustability for precise control.
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Low Rolling Resistance for High Speeds
Designed for young racers, the Polygon Razor’s 20 x 1-1/8 tires are lightweight and built for low rolling resistance, ensuring high speeds and momentum on the track.
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No Slips, Just Speed
With its chain tensioner, it keeps the chain secure, prevents slippage, enhances drivetrain efficiency, and reduces wear—delivering smoother rides and better performance, especially on high-impact landings.
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Tailored Combos for Ultimate Comfort
Each size features specially selected handlebars, chainrings, and crank arm length for optimal fit and performance.
Specification
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Frameset
FramesetForkSizeFrame ColorDecal Color
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Drivetrain
CrankCassetteBBChainPedal
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Cockpit
SaddleSeatpostHandlebarHandlestemHeadset
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Wheel & Tire
Wheel SetWheel SizeTireRimHubSpokes
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Brake
Brake LeverBrake Caliper
Geometry & Size
| JUNIOR | MINI | MICRO | |
|---|---|---|---|
| Height (cm) | 100-109 | 110-119 | 120-129 |
| Seat Tube Length (A) | 205 8.07 | 205 8.07 | 205 8.07 |
| Seat Tube Angle (B) | 72 2.83 | 72 2.83 | 72 2.83 |
| Effective Seat Tube Angle (C) | 72 2.83 | 70 2.76 | 72 2.83 |
| Head Tube Length (D) | 105 4.13 | 105 4.13 | 105 4.13 |
| Head Tube Angle (E) | 74 2.91 | 74 2.91 | 74 2.91 |
| Effective Top Tube (F) | 509 20.04 | 471 18.54 | 449 17.68 |
| Bb Height (G) | 270 10.63 | 270 10.63 | 270 10.63 |
| Bb Offset (H) | 6 0.24 | 6 0.24 | 6 0.24 |
| Chainstay Length (I) | 325 12.8 | 325 12.8 | 325 12.8 |
| Wheelbase (J) | 852 33.54 | 815 32.09 | 792 31.18 |
| Frame Reach (K) | 383 15.08 | 345 13.58 | 323 12.72 |
| Frame Stack (L) | 388 15.28 | 388 15.28 | 388 15.28 |
| Standover Height (M) | 462 18.19 | 462 18.19 | 470 18.5 |
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FAQ
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Besides size, what are the differences between Micro, Mini, and Junior?
Micro, Mini, and Junior versions differ in more than just size. Each features specific component combinations—like crank length, handlebar width, and chainring—tailored for optimal rider fit and performance.​
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Is it ready for race?
Absolutely! This latest version is race-ready, featuring significant improvements to geometry, technology, and components.​
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I've noticed some BMX bikes don't have front brakes. Does the Polygon Razor have both front and rear brakes?
We provide both front and rear brakes with levers. While they can be removed based on rider preference, they are typically taken off for performance reasons.