Product Specs
- FRAME MATERIAL: 6061 T6 alloy
- WHEEL SIZE: 20"
- TOP TUBE LENGTH: 17.5"
- CHAIN STAY LENGTH: 13.1"
- HEAD TUBE ANGLE: 72°
- SEAT TUBE ANGLE: 70°
- FORKS: cr-mo, 1″ butted steerer tube, hi-ten fork legs, 23mm offset
- BARS: 4131 seamless cr-mo
- STEM: Radio, Cobalt-toploader, ext. 40mm, alloy
- HEADSET: Radio, integrated headset, sealed, 1″
- BRAKE MOUNTS: Welded
- BRAKES: PROMAX “MV-87” alloy brake rear
- FRONT HUB: RADIO “Cobalt” alloy CNC hub, fully sealed, 3/8″s, 28h, crmo axle
- FRONT RIM: Radio, A-M5, double wall, 28H, alloy
- REAR HUB: RADIO “Cobalt” alloy CNC hub, fully sealed, 3/8″s, crmo axle, 28h, flip flop
- REAR RIM: Radio, A-M5, double wall, 28H, alloy
- TYRES: Arisun, XLR8, 20″x 1-1/8″
- SPROCKET: RADIO alloy, 38t sprocket
- CRANKS: RADIO “Cobalt” forged alloy 3pc crank, 140mm long
- BB: Radio, BSA square taper, sealed
- PEDALS: Radio, Cobalt Junior, nylon
- SEAT: RADIO “Mini” combo seat
- GEARING: 38/16
- WEIGHT: 7.79kg/ 17.18lbs
Product Highlights
- Junior sized BMX bike. Designed for the needs of racers who are 4ft 6" - 5ft 1" (138cm - 155cm)
- A BMX race specific bike great for those riders just getting started
- Strong and lightweight construction
- Sealed bearings throughout
- Integrated headset
NEED MORE HELP UNDERSTANDING BMX RACE BIKES?
We have compiled a complete BMX Race Bike Buyers Guide to help you through the process of finding your perfect race bike. Here at sourcebmx we are all riders so we can offer advice that only 100% rider-owned bmx shops can - just ask!
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BMX RACE BIKE SIZING
The first thing you will need to do is make sure you get the correct size BMX race bike, based on your height. BMX race bikes are sized from Mini (The smallest) through to Pro (adult) sizes. These sizes refer to the overall size of the frames and parts but the wheel diameter will remain the same at 20” despite the width of the tyres varying.Take a ride through our handy guide to find out what size bike best suits you.
Note: there is some overlap between sizes as personal preference comes into the equation.
Rider Height (ft & in) | Rider Height (cm) | Wheel Width (in) | Bike Size |
---|---|---|---|
Up to 4'4" | Up to 130cm | 1 - 1/8 | Micro Mini |
4'2" - 4'10" | 127cm - 148cm | 1 - 1/8 | Mini |
4'6" - 5'1" | 138cm - 155cm | 1 - 1/8 | Junior |
5'0" - 5'4" | 150cm - 165cm | 1 - 3/8 | Expert |
5'2" - 5'6" | 155cm - 170cm | 1 - 3/8 | Expert XL |
5'3" - 5'8" | 160cm - 175cm | 1.75 | Pro |
5'7" - 6'0" | 170cm - 185cm | 1.75 | Pro XL |
6'0" + | 185cm + | 1.75 | Pro XL + |