Radio Cobalt Expert Race 2019 BMX Bike

The Radio Cobalt entry level race bikes feature optimised geometry for each rider size, along with quality components and a lightweight 6061 Aluminium frame construction to give new racers a quick head start and a great racing experience.

The Cobalt Expert is the next size up from the Junior and uses 20" wheels with an 19.5" toptube and 5.75" bar rise.

Frame and Forks

Frame: 6061-T6 Alloy, 19.5" Toptube, 10mm Dropout
Fork: Hi-Tensile Steel legs, Chromoly 1-1/8" Steerer, 10mm Dropout

Drivetrain

Cassette: ATA 15T Freewheel
Chain: KMC Z410 1/8"
Crankset: Radio Cobalt Alloy Forged 3-Piece, 165mm Arms
Sprocket: Radio Alloy 39T 5-Bolt
Bottom Bracket: Threaded Square Tapered, Sealed

Braking/Shifting

Brakes: Promax Alloy MV-87 V-Brake Rear
Brake Levers: Promax XL-378 Alloy, Short Reach

Wheels

Rims: Radio R450 20" Double Wall Alloy, 28H F+R
Hubs: Radio Cobalt Alloy, Looseball Bearing, 10mm Axle F+R, L/R Compatible Freewheel
Tyres: Tioga Powerblock 20 x 1-3/8"

Finishing Kit

Handlebar: 6061-T6 Alloy, 5.75" Rise, 24.4" Wide
Grips: Radio Diamond, 130mm
Headset: FSA TH388 1" Semi-Integrated
Stem: Radio Cobalt Top Load, 50mm Length
Seatpost: Alloy 26.8mm, Seat Integrated
Seatclamp: Radio Alloy Bolted
Saddle: Radio Mini Plastic Combo
Pedals: Radio Mini PC Body, Chromoly Axle