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Radio Cobalt Junior

Radio Cobalt Junior
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The Cobalt line combines proven geometry and dialed components giving you the best start out of the gate during your first days racing. The Cobalt Junior steps up in size without packing on the pounds. At only 7.17kg, this is one of the lightest junior entry level bikes out there. The Cobalt now features fully sealed front and rear wheels, making it a truly unstoppable machine.

- 6061-T6 alloy frame
- Crmo, 1" butted steerer fork
- RADIO R450 rim, double wall, 28h wheel set
- RADIO Cobalt forged alloy 3pc crank


Frame 6061-T6 alloy
Fork Crmo, 1" butted steerer, hi-ten fork legs
Headset FSA TH-388 1"
Rims/Wheels RADIO R450 rim, double wall, 28h
Hubs Front: RADIO Cobalt alloy hub, fully sealed, 3/8", 28h, crmo axle
Rear: RADIO Cobalt alloy hub, fully sealed, 3/8", 28h, crmo axle, flip flop
Tires TIOGA Power Block tires, 20" x 1 1/8"
Crankset RADIO Cobalt forged alloy 3pc crank, 155mm long
Chainrings RADIO alloy, 38T
Bottom Bracket RADIO, BSA square taper, sealed
Chain KMC Z410 1/2 x 1/8"
Freewheel ATA 14T
Handlebars 6061-T6 alloy
Tape/Grips RADIO Diamond grips, 130mm long
Stem RADIO Cobalt top loading stem, 40mm reach
Brake Levers PROMAX XL-378
Brakes PROMAX MV-87 alloy brake rear
Pedals RADIO MINI PC, crmo axle
Saddle RADIO Mini combo seat
Seat Post 22.2mm alloy

* Subject to change without notice.