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2021 Radio Raceline Cobalt Pro BMX Race Bike - Yellow

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2021 Radio Raceline Cobalt Pro BMX Race Bike - Yellow

The Radio Raceline Cobalt series combines proven geometry with dialled components, giving you the best start out of the gate during your first days racing. The Cobalt line took off so much that we decided to add a pro size to the line up allowing more riders to enjoy one of the best entry level race bikes on the market!

Fresh out of the box for 2021 with incredible new paint and graphics, you’ll be able to spot a Cobalt on the track with ease! All Cobalt bikes now feature full sealed front hubs and integrated headsets, making them simply unbeatable when comparing price to spec. The Cobalt is one seriously unstoppable machine.


  • Frame: 6061 T6 aluminium, integrated headset, euro bottom bracket and forged dropouts with internal chain tensioner.
  • Fork: Chromoly 1-1/8″ butted steerer tube, chromoly fork legs, 30mm offset.
  • Handlebar: 4130 seamless chromoly.
  • Grips: Radio, 130mm length.
  • Stem: Alloy Radio Cobalt topload, 50mm reach.
  • Headset: FSA #28 1 1/8" sealed integrated headset.
  • Brake Lever: Promax “XL-378” alloy.
  • Brake: Promax “MV-87” alloy.
  • Crank: Radio Cobalt forged aluminium 3 piece crank, 175mm.
  • Bottom Bracket: Radio BSA square taper, sealed bearing.
  • Pedals: Alloy Radio Cobalt Pro.
  • Chain: KMC, Z6, 1/2″ x 3/32″
  • Chain Ring: 44 tooth Radio alloy.
  • Freewheel: ATA, 16 tooth, 1/2″ x 3/32″, chromoly.
  • Front Hub: Radio Cobalt alloy cnc, full sealed bearing, 3/8″ chromoly axle, 32 hole.
  • Rear Hub: Radio Cobalt alloy cnc, full sealed bearing, 3/8″ chromoly axle, 32 hole, flip flop.
  • Rims: Radio BX-32, aluminium, double wall, 32 hole.
  • Seat: Radio “pro” combo seat.
  • Seat Post: Radio 25.4mm alloy.
  • Seat Clamp: Radio slim, alloy.
  • Tyres: Arisun, XLR8, 20″ x 1.95″ (front) & 20" x 1.75" (rear).
  • Colour: Yellow.
  • Weight: 9.95kg.


  • Top Tube: 20.5″.
  • Chain Stay: 14″.
  • Head Tube: 73°.
  • Seat Tube: 72°.
  • Bottom Bracket Height: 11.5″.

Handlebar Geometry

  • Rise: 7.5″.
  • Width: 28″.
  • Backsweep: 11°.
  • Upsweep: 3.5°.

Shipping Terms & Conditions

  • All bikes are shipped boxed and will require assembly upon delivery. Unfortunately, we cannot ship bicycles fully assembled.
  • District Cycle Store recommends in the interest of safety that you have your new bicycle assembled by a professional bicycle mechanic. Failure to do so could result in failure or accidents resulting in damages or personal injury that District Cycle Store will not be liable for. By assembling the bicycle yourself you are assuming all liability in regard to any damages or injuries incurred.
SKU RABK171-21-YEL-1
Brand Radio Raceline
Shipping Weight 15.0000kg
Shipping Width 0.200m
Shipping Height 0.560m
Shipping Length 1.200m
Shipping Cubic 0.134400000m3

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