The Cobalt line combines proven geometry and dialled components giving you the best start out of the gate during the first days racing. The Cobalt Mini is Radio's pint sized machine, scaled down and lighter build kit make this thing unrivalled out there on the track. All Cobalt bikes feature fully sealed front hubs and integrated headsets, making them simply unstoppale when comparing price to spec.

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Product Specs

1. FRAME MATERIAL: 6061 T6 alloy
2. WHEEL SIZE: 20"
3. TOP TUBE LENGTH: 17.5"
4. CHAIN STAY LENGTH: 13.1"
5. HEAD TUBE ANGLE: 72°
6. SEAT TUBE ANGLE: 70°
7. FORKS: cr-mo, 1″ butted steerer tube, hi-ten fork legs, 23mm offset
8. BARS: 4131 seamless cr-mo
9. STEM: Radio, Cobalt-toploader, ext. 40mm, alloy
10. HEADSET: Radio, integrated headset, sealed, 1″
11. BRAKE MOUNTS: Welded
12. BRAKES: PROMAX “MV-87” alloy brake rear
13. FRONT HUB: RADIO “Cobalt” alloy CNC hub, fully sealed, 3/8″s, 28h, crmo axle
14. FRONT RIM: Radio, A-M5, double wall, 28H, alloy
15. REAR HUB: RADIO “Cobalt” alloy CNC hub, fully sealed, 3/8″s, crmo axle, 28h, flip flop
16. REAR RIM: Radio, A-M5, double wall, 28H, alloy
17. TYRES: Arisun, XLR8, 20″x 1-1/8″
18. SPROCKET: RADIO alloy, 38t sprocket
19. CRANKS: RADIO “Cobalt” forged alloy 3pc crank, 140mm long
20. BB: Radio, BSA square taper, sealed
21. PEDALS: Radio, Cobalt Junior, nylon
22. SEAT: RADIO “Mini” combo seat
23. GEARING: 38/16
24. WEIGHT: 7.79kg/ 17.18lbs

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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

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