Built to put you on the podium, the Radio Cobalt Pro XL Bike is a full-blown race machine ready to tear up the track. A lightweight 6061-T6 alloy frame paired with sealed Radio Raceline hubs, double wall rims and a crisp 44/16 drivetrain delivers explosive speed out of the gate, while the chromoly cockpit keeps things strong when the racing gets serious. Fast, responsive and race-day ready — this is BMX performance with factory team style.

Specifications
Frame - 6061-T6 alloy frame, forged dropouts with int. chaintensioner
Fork - crmo fork, 1-1/8" butted steerer, hi-ten fork legs, 30 mm offset
Bars - 4130 crmo bar, seamless
Grips - Radio Raceline Cobalt grips, diamond knurling, closed end, flangeless, 130 mm length
Stem - Arise Cobalt toploader stem, ext. 50 mm, alloy
Headset - FSA No. 28 integrated headset, sealed, 1-1/8"
Lever - Radio Raceline Junior brake lever, rear
Brakes - Radio Raceline V-Brake, rear
Cranks - Radio Raceline Cobalt 3pc crank, forged alloy, 175 mm length
BB - Radio Raceline bb set, BSA square taper, sealed
Pedals - Radio Raceline Cobalt Pro pedal, alloy
Chain - KMC Z6 chain, 1/2" × 3/32"
Sprocket - Radio Raceline sprocket, 44T, alloy
Driver - ATA freewheel, 16T, 1/2" × 3/32", crmo
Front hub - Radio Raceline Cobalt front hub, alloy cnc, fully sealed, 36h, 3/8" crmo axle
Rear hub - Radio Raceline Cobalt rear hub, alloy cnc, fully sealed, 36h, flip flop, 3/8" crmo axle
Front rim - Radio Raceline BX-32 rim, double wall, 36h, alloy
Rear rim - Radio Raceline BX-32 rim, double wall, 36h, alloy
Seat - Radio Raceline Seat- & Seatpost Combo
Seat clamp - Radio Raceline seat clamp, forged alloy
Tyres - Arisun XLR8 tyres, front: 20" × 1.95" and rear: 20" × 1.75"
Weight - tba


Frame Geometry
Top tube length - 21.25"
Chain stay length - 14"
Head tube angle - 74°
Seat tube angle - 72°
Bottom bracket height - 11.5"


Bar Geometry
Bar rise - 8"
Bar width - 28.3"
Bar backsweep - 11°
Bar upsweep - 3.5°