Radio Cobalt Mini Bike (2021)

Recommended Rider Height:
120-140cm

FROM
$699.99

For 2021, Radio Raceline has continued its upwards trajectory in the "ready to race" category of complete off-the-shelf race bikes. Every one of their bikes in the Cobalt range can go from the shop to the podium with ease, and is the perfect entry level
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Available Options:
Radio Cobalt Mini Bike (2021) / Black / 17.5TT
Radio Cobalt Mini Bike (2021) / Black / 17.5TT
$699.99
Radio Cobalt Mini Bike (2021) / Cyan / 17.5TT
Radio Cobalt Mini Bike (2021) / Cyan / 17.5TT
$699.99
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For 2021, Radio Raceline has continued its upwards trajectory in the "ready to race" category of complete off-the-shelf race bikes. Every one of their bikes in the Cobalt range can go from the shop to the podium with ease, and is the perfect entry level race bike for your young rider.

This beast is stacked full of loads of epic Radio parts to ensure a ride like no other! Radio Raceline Cobalt Grips provide loads of grip for your hands, The Radio Raceline Cobalt Hubs laced up to double walled Radio Raceline A-M5 Rims, which means they can take a beating you shredder starts to send the jumpks. After all, every BMX kids just wants to jump stuff, and this bike will take that punishment as they learn the ropes of BMX racing. 

 

Fresh out of the box for 2021 with incredible new paint and graphics, you’ll be able to spot a cobalt on the track very easily. 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.

We sell loads of these complete race bikes, and for good reason, awesome build quality at this price point makes them extremely great value and will last a season or two before your racer grows into the next size.

 

Key Specs:

  • TT Length: 17.5"
  • BB Height: 10.4"
  • Gearing: 40 x 16
  • Gear Ratio: 49.75"
  • Crank Length: 140mm
  • Tyres: 20 x 1-1/8
  • Weight: 7.79kg

(COBALT-MINI-2021)

Size 17.5TT
Frame 6061-T6 alloy frame, forged dropouts with int. chain tensioner
Fork Cr-Mo, 1″ butted steerer tube, hi-ten fork legs, 23mm offset
Headset FSA "No.28" integrated headset, sealed, 1"
Stem Radio Raceline "COBALT" top loader stem, ext. 40mm, alloy
Handlebar 4130 CrMo bar, seamless
Grips Radio Raceline "COBALT" grips, diamond knurling, closed end, flangeless, 102mm length
Brake Lever Promax "XL-378" brake lever, rear
Rear Brake Promax "MV-87" brake, rear
Crank Radio Raceline "COBALT" 3pc crank, forged alloy, 140mm length
Chainring Radio sprocket, 38T, alloy
Bottom Bracket Radio Raceline BB, BSA square taper, sealed
Pedals Radio Raceline Junior, nylon
Chain KMC "Z6" chain, 1/2" x 3/32"
Front Hub Radio Raceline "COBALT" front hub, alloy cnc, fully sealed, 28H, 3/8" crmo axle
Rear Hub Radio Raceline "COBALT" rear hub, alloy cnc, fully sealed, 28H, flip flop, 3/8" crmo axle
Rear Cog ATA freewheel, 16T, 1/2" x 3/32", crmo
Rims Radio Raceline "A-M5" rim, double wall, 28H, alloy
Spokes Radio Raceline "A-M5" rim, double wall, 28H, alloy
Tyres Arisun "XLR8" TYREs, 20" x 1-1/8"
Seat Radio “Mini” combo seat
Seat Clamp Radio slim alloy seat clamp
Seat Post Radio seat post, 25.4mm, alloy
Gearing / Ratio 38x16 / 49.75"


 
FRAME / BAR GEOMETRY
 

FRAME GEOMETRY


TOP TUBE LENGTH 17.5″
CHAIN STAY LENGTH 13.1″
HEAD TUBE ANGLE 72°
SEAT TUBE ANGLE 70°
BOTTOM BRACKET HEIGHT 10.5″

HANDLEBAR GEOMETRY

RISE 2.25″
WIDTH 22.5″
BACKSWEEP 8°
UPSWEEP 2°

SKU COBALT-MINI-2021
Brand Radio
Shipping Weight 10.0000kg


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