UCI Rules
🏛️Official — UCI2.3 BMX Bicycle Specifications
Verdict
BMX Racing: 20-inch wheels, single-speed drivetrain. No minimum weight restriction. Maximum crank length of 180 mm. Handlebar width unrestricted. Rear brake only (front brake optional but rarely used).; BMX Freestyle: 20-inch wheels. Pegs permitted on front and rear axles. Gyro (detangler) brakin...
Send this to your friend — argument over.
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