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Cobalt Pro Complete Bike by Radio Bikes
  • Cobalt Pro Complete Bike by Radio Bikes
  • Cobalt Pro Complete Bike by Radio Bikes
  • Cobalt Pro Complete Bike by Radio Bikes
  • Cobalt Pro Complete Bike by Radio Bikes
  • Cobalt Pro Complete Bike by Radio Bikes
  • Cobalt Pro Complete Bike by Radio Bikes
  • Cobalt Pro Complete Bike by Radio Bikes
  • Cobalt Pro Complete Bike by Radio Bikes
  • Cobalt Pro Complete Bike by Radio Bikes
  • Cobalt Pro Complete Bike by Radio Bikes
  • Cobalt Pro Complete Bike by Radio Bikes
  • Cobalt Pro Complete Bike by Radio Bikes
  • Cobalt Pro Complete Bike by Radio Bikes
  • Cobalt Pro Complete Bike by Radio Bikes
  • Cobalt Pro Complete Bike by Radio Bikes
  • Cobalt Pro Complete Bike by Radio Bikes
  • Cobalt Pro Complete Bike by Radio Bikes
  • Cobalt Pro Complete Bike by Radio Bikes
  • Cobalt Pro Complete Bike by Radio Bikes
  • Cobalt Pro Complete Bike by Radio Bikes
  • Cobalt Pro Complete Bike by Radio Bikes
  • Cobalt Pro Complete Bike by Radio Bikes
  • Cobalt Pro Complete Bike by Radio Bikes
  • Cobalt Pro Complete Bike by Radio Bikes
  • Cobalt Pro Complete Bike by Radio Bikes
  • Cobalt Pro Complete Bike by Radio Bikes
  • Cobalt Pro Complete Bike by Radio Bikes
  • Cobalt Pro Complete Bike by Radio Bikes
  • Cobalt Pro Complete Bike by Radio Bikes
  • Cobalt Pro Complete Bike by Radio Bikes
  • Cobalt Pro Complete Bike by Radio Bikes
  • Cobalt Pro Complete Bike by Radio Bikes
  • Cobalt Pro Complete Bike by Radio Bikes
  • Cobalt Pro Complete Bike by Radio Bikes
  • Cobalt Pro Complete Bike by Radio Bikes
  • Cobalt Pro Complete Bike by Radio Bikes
  • Cobalt Pro Complete Bike by Radio Bikes
  • Cobalt Pro Complete Bike by Radio Bikes
  • Cobalt Pro Complete Bike by Radio Bikes
  • Cobalt Pro Complete Bike by Radio Bikes
  • Cobalt Pro Complete Bike by Radio Bikes
  • Cobalt Pro Complete Bike by Radio Bikes
  • Cobalt Pro Complete Bike by Radio Bikes
  • Cobalt Pro Complete Bike by Radio Bikes
  • Cobalt Pro Complete Bike by Radio Bikes
  • Cobalt Pro Complete Bike by Radio Bikes
  • Cobalt Pro Complete Bike by Radio Bikes
  • Cobalt Pro Complete Bike by Radio Bikes
  • Cobalt Pro Complete Bike by Radio Bikes
  • Cobalt Pro Complete Bike by Radio Bikes
  • Cobalt Pro Complete Bike by Radio Bikes
  • Cobalt Pro Complete Bike by Radio Bikes
  • Cobalt Pro Complete Bike by Radio Bikes
  • Cobalt Pro Complete Bike by Radio Bikes
Cobalt Pro Complete Bike by Radio Bikes
£545.00 GBP
Top Tube
Color
Highlights

We will work quickly to ship your order as soon as possible. Once your order has shipped, you will receive an email with further information. Delivery times vary depending on your location.
Product Details

Hook

Built for the gate. Born for the charge. Ready to wake up your first laps with real race energy.

Identity

The Cobalt Pro is Radio’s entry-level race machine for riders who want more than a starting point. This is the bike for new racers who want serious geometry, sealed components, and a pro-look straight out of the box. Accessible, progression-ready, and tuned with the same DNA riders trust across the Radio Raceline family.

Energy

Race isn’t a category. It’s a mindset. The Cobalt Pro is your spark to push harder, pedal sooner, and feel faster every day.
Specifications

Highlights:
• Lightweight 6061-T6 alloy frame for quick acceleration
• Sealed hubs and integrated headset for smooth, low-maintenance speed
• Crmo bars and fork for strength where it counts
• Race-ready gearing with a 44T sprocket and 16T freewheel
• Arisun XLR8 tires for responsive track grip
• Built for new racers who want a pro-feel platform from day one

Technical Specs:
Frame: 6061-T6 alloy with forged dropouts and internal chain tensioner
Fork: Crmo fork, 1-1/8 in butted steerer, hi-ten legs, 30 mm offset
Handlebar: 4130 crmo seamless bar
Grips: Radio Raceline Cobalt grips, flangeless, 130 mm
Stem: Radio Raceline Cobalt toploader, 50 mm extension
Headset: FSA No.28 integrated, sealed, 1-1/8 in
Brake Lever: Promax XL-378 rear
Brake: Promax TX-117 rear
Crank: Radio Raceline Cobalt 3-pc forged alloy, 175 mm
Bottom Bracket: Radio Raceline BSA square taper, sealed
Pedals: Radio Raceline Cobalt Pro alloy
Chain: KMC Z6, 1/2 x 3/32
Sprocket: Radio Raceline alloy, 44T
Driver: ATA 16T freewheel, 1/2 x 3/32, crmo
Front Hub: Radio Raceline Cobalt, alloy CNC, sealed, 36h, 3/8 in crmo axle
Rear Hub: Radio Raceline Cobalt, alloy CNC, sealed, 36h, flip-flop, 3/8 in crmo axle
Front Rim: Radio Raceline BX-32 double wall, 36h alloy
Rear Rim: Radio Raceline BX-32 double wall, 36h alloy
Seat: Radio Raceline Cobalt Pro combo
Seatpost: Radio Raceline alloy, 25.4 mm
Seat Clamp: Radio Raceline forged alloy
Tires: Arisun XLR8, 20 x 1.95 front / 20 x 1.75 rear
Weight: 9.95 kg / 21.93 lb

Geometry:
Top Tube: 20.75 in
Chainstay: 14 in
Head Tube Angle: 73°
Seat Tube Angle: 72°
BB Height: 11.5 in

Handlebar Geometry:
Rise: 7.5 in
Width: 28 in
Backsweep: 11°
Upsweep: 3.5°
Care & Maintenance

Keep the drivetrain clean and lightly lubricated for crisp power transfer. Check wheel tension and tire pressure before each session. Sealed bearings keep maintenance low, but a periodic inspection of hubs and headset will keep the bike running smooth through full race seasons.
Size & Fit

Built around a Pro-size top tube for riders seeking a longer, more stable race position. Ideal for teens and adults stepping into BMX racing who want a balanced, confidence-building fit at speed.

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