Home » RADIO BIKES Race Cobalt Junior Complete Bike 20"
RADIO BIKES

RADIO BIKES Race Cobalt Junior Complete Bike 20"

SKU: A100031399
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£476.88 inc. VAT
-5% £500.00 £476.88 inc. VAT
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Fully assembled delivery

Your bike will arrive fully assembled and ready to ride. No tools or extra setup required!

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Radio Race COBALT JUNIOR is a 20-inch 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

Orders are processed and shipped from the United Kingdom within 1 business day (excluding weekends and holidays).

UK Delivery:

  • Express (Next Day – FedEx 24): Free over £100, otherwise £10.99
  • Standard (2–3 Days – Royal Mail 48): Free over £100, otherwise £4.99–£5.99

You’ll receive a tracking link once your order has been dispatched. Delivery times are estimates and may vary due to courier delays or busy periods.

Please ensure your shipping details are correct at checkout, as we cannot be responsible for incorrect addresses. If your order is lost or arrives damaged, contact us at info@controlbmx.com and we’ll assist you.

We offer fast and reliable UK delivery, including free next working day delivery on orders over £100.

If you’re not completely satisfied with your purchase, you can return your item within 14 days of receiving it, provided it is unused and in its original packaging.

Refunds are processed once items are received and inspected, and will be issued back to your original payment method. Please note that return shipping costs may apply.

For any issues with your order, including damaged or faulty items, please contact us at info@controlbmx.com and we’ll be happy to help.

All products are covered by a manufacturer’s warranty against defects in materials or workmanship. Warranty periods and coverage may vary depending on the brand and product.

This warranty does not cover normal wear and tear, misuse, improper installation, or damage caused by accidents. If you believe your item is faulty, please contact us at info@controlbmx.com with your order details and we’ll assist you with the next steps.

All warranty claims are subject to inspection and approval in line with manufacturer guidelines.