Radio Bikes Race Cobalt Junior Complete BMX Bike 20"

Radio Bikes Race Cobalt Junior Complete BMX Bike 20"

Radio Race COBALT JUNIOR is a 20-inch wheel BMX-style complete bike built on a 6061-T6 aluminium frame with forged dropouts and integrated chain tensioner. It uses a chromoly fork with 1" butted steerer and hi-ten legs, combined with a rear-only V-brake setup. The bike weighs 8.07 kg and runs on 20x1 1/8" tires, optimized for smaller riders and controlled handling.

• Frame: 6061-T6 alloy, forged dropouts, integrated chain tensioner
• Fork: Chromoly fork, 1" butted steerer, hi-ten fork legs, 23 mm offset
• Handlebar: 4130 chromoly, seamless, 24", 2° upsweep, 8° backsweep, 4.25" rise
• Grips: Radio Raceline Cobalt, diamond knurling, closed end, flangeless, 130 mm
• Stem: Arise Cobalt toploader, aluminium, 40 mm extension
• Headset: Radio Raceline integrated, sealed, 1"
• Brake lever: Radio Raceline Junior, rear
• Brake: Radio Raceline Mini V-Brake, rear only
• Crankset: Radio Raceline Cobalt 3-piece, forged aluminium, 155 mm
• Bottom bracket: Radio Raceline BSA square taper, sealed
• Pedals: Radio Raceline Cobalt Junior, nylon
• Chain: KMC Z6, 1/2 x 3/32"
• Sprocket: Radio Raceline, aluminium, 40T
• Freewheel: ATA, 16T, chromoly, 1/2 x 3/32"
• Front hub: Radio Raceline Cobalt, CNC aluminium, sealed, 28H, 3/8" chromoly axle
• Rear hub: Radio Raceline Cobalt, CNC aluminium, sealed, 28H, flip-flop, 3/8" chromoly axle
• Rims: Radio Raceline A-M5, double wall, 28H aluminium
• Seat: Radio Raceline Mini Combo
• Seatpost: Radio Raceline, 22.2 mm aluminium
• Seat clamp: Radio Raceline forged aluminium
• Tires: Arisun XLR8