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Radio Raceline Cobalt Junior 18.5" Complete BMX


10+ in stock

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Important Information-

This product is a special order item, and as such will be ordered from our supplier for you once your order has been placed. The above delivery time is an estimate based on times provided by our suppliers. In rare circumstances these maybe subject to change, but rest assured we will be doing everything possible to get your product to you ASAP! Upon placing your order you will receive a call from our team shortly after to keep you informed every step of the way.


Please Note: Due to the size and/or shape of this item it cannot be shipped fully assembled, therefore some assembly may be required.

Product Description


  • Frame: 6061-T6 Alloy
  • Top Tube Length: 18.5"
  • Chain Stay Length: 12.85"
  • Head Tube Angle: 73°
  • Seat Tube Angle: 71°
  • Bottom Bracket Height: 10.6"
  • Bars: 6061-T6 Alloy
  • Rise: 4.25"
  • Width: 22.8"
  • Backsweep: 8°
  • Upsweep: 2°
  • Forks: Cromo, 1" Butted Steerer, Hi-Ten Fork Legs
  • Grips: Radio Diamond Grips, 130mm Long
  • Stem: Radio Cobalt Top Loading Stem, 40mm Reach
  • Headset: FSA TH-388, 1"
  • Brake Lever: Promax XL-378 Alloy
  • Brakes: Promax MV-87 Alloy
  • Crank: Radio Cobalt Forged Alloy, 3-Piece Crank, 155mm Long
  • BB: Radio, BSA Square Taper, Sealed
  • Pedals: Radio Mini PC, Cromo Axle
  • Chain: KMC Z410 1/2' x 1/8"
  • Sprocket: Radio Alloy, 38T
  • Driver: ATA 14T Freewheel
  • Hubs: (F) Radio Cobalt Alloy, LB, 3/8", 28H, Cromo Axle, (R) Radio Cobalt Alloy, LB, 3/8", 28H, Cromo Axle, Flip Flop
  • Rims: Radio R450, Double Wall, 28H
  • Seat: Radio Mini Combo
  • Seat Post: 22.2mm Alloy
  • Seat Clamp: Radio Slim Alloy
  • Tyres: Tioga Power Block, 20" x 1 1/8"
  • Weight: 7.17kg

The Cobalt combines proven geometry and dialled components giving you the best start out of the gate during your first day's racing. The Cobalt Junior steps up in size without packing on the pounds, at only 7.17kg. This is one of the lightest junior entry level bikes out there.


Delivery & Returns

Basket Value

Shipping Method

Under £40


Over £100

(2-3 days)




(Next Working day)




Next Weekday Delivery
(Monday to Friday)




Saturday Delivery




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