Skip to main content

Radio Cobalt Expert

Radio Cobalt Expert
This item is currently not available.


The Cobalt line combines proven geometry and dialed components giving you the best start out of the gate during the first days racing. The Cobalt Expert steps up to a 19.5-inch top tube, a longer 50mm reach Cobalt stem, a slim Radio Pivotal seat, and wider 1 3/8 inch Tioga Power Block tires. The Cobalt now features fully sealed front and rear wheels, making it a truly unstoppable machine.

- 6061-T6 alloy frame
- Crmo, 1 1/8" butted steerer, fork
- RADIO R450 rim, double wall, 28h wheel set
- RADIO Cobalt forged alloy 3pc crank


Frame 6061-T6 alloy
Fork Crmo, 1 1/8" butted steerer, hi-ten fork legs
Headset FSA NO. 28 1 1/8"
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, 20 x 1 3/8"
Crankset Radio Cobalt forged alloy 3pc crank, 165mm long
Chainrings RADIO alloy, 39T
Bottom Bracket Radio, BSA square taper, sealed
Chain KMC Z410 1/2 x 1/8"
Freewheel ATA 15T
Handlebars 6061-T6 alloy
Tape/Grips Radio Zig Zag grips, 145mm long
Stem Radio Cobalt top loading stem, 50mm reach
Brake Levers PROMAX XL-378 alloy
Brakes PROMAX MV-85 alloy brake rear
Pedals Radio Expert PC, crmo axle
Saddle Radio Pivotal seat, no padding
Seat Post Radio Pivotal 26.8mm, alloy

* Subject to change without notice.