Radio Race COBALT PRO 20 Complete Bike

Radio Raceline
Radio Race COBALT PRO 20 Complete Bike
Radio Race COBALT PRO 20 Complete Bike
Radio Race COBALT PRO 20 Complete Bike
Radio Race COBALT PRO 20 Complete Bike

Radio Race COBALT PRO 20 Complete Bike

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The Radio Bikes Race Cobalt Pro Complete BMX Bike 20" is a lightweight and durable BMX race bike designed for entry-level riders seeking speed, stiffness, and reliable race performance. Built around a 6061-T6 aluminium frame with forged dropouts and an integrated chain tensioner, it combines responsive handling with race-ready components and a strong chromoly cockpit setup.

Highlights

• Lightweight 6061-T6 aluminium race frame
• Chromoly fork and 4130 chromoly handlebar for added strength
• Integrated chain tensioner with forged dropouts
• Rear-only Promax mechanical braking system
• Double wall aluminium rims for improved durability
• Sealed hubs and bottom bracket for smooth performance
• Race-ready 20" wheel setup with Arisun XLR8 tires

Frame & Fork

• Frame: 6061-T6 alloy with forged dropouts and integrated chain tensioner
• Fork: Chromoly fork with hi-ten fork legs
• Steerer Tube: 1-1/8" butted
• Fork Offset: 30 mm

Cockpit Components

• Handlebar: 4130 chromoly, seamless construction
• Grips: Radio Raceline “COBALT”, diamond knurling, flangeless, 130 mm
• Stem: Radio Raceline “COBALT” aluminium toploader, 50 mm reach
• Headset: FSA No.28 integrated, sealed, 1-1/8"

Drivetrain

• Crankset: Radio Raceline COBALT forged aluminium, 3-piece, 175 mm
• Bottom Bracket: Radio Raceline BSA square taper, sealed
• Chain: KMC Z6, 1/2" x 3/32"
• Sprocket: Radio Raceline aluminium, 44T
• Freewheel: ATA 16T chromoly

Braking System

• Brake Lever: Promax XL-378 rear lever
• Brake: Promax TX-117 mechanical rear brake only

Wheelset & Tires

• Front Hub: Radio Raceline COBALT CNC aluminium, sealed, 36H
• Rear Hub: Radio Raceline COBALT CNC aluminium, sealed, flip-flop, 36H
• Rims: Radio Raceline BX-32 double wall aluminium rims
• Tires: Arisun XLR8 20x1.95"/1.75"

Seat & Finishing Kit

• Seat: Radio Raceline COBALT PRO combo seat
• Seatpost: Radio Raceline 25.4 mm aluminium
• Seat Clamp: Radio Raceline forged aluminium
• Pedals: Radio Raceline COBALT PRO aluminium

Specifications

• Wheel Size: 20"
• Bike Weight: Approx. 9.95 kg
• Riding Style: BMX Race
• Brake Setup: Rear brake only
• Intended Use: Entry-level BMX racing
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