Radio Cobalt Expert Bike (2021)

Recommended Rider Height:
145-170cm

FROM
$739.99

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
... Read More

Available Options:
Radio Cobalt Expert Bike (2021) / Black / 19.5TT
Radio Cobalt Expert Bike (2021) / Black / 19.5TT
$739.99
Radio Cobalt Expert Bike (2021) / Metallic Yellow / 19.5TT
Radio Cobalt Expert Bike (2021) / Metallic Yellow / 19.5TT
$739.99
We also recommend:

Free Delivery on orders over $99*

*Within Australia only. Excludes bikes and bulky items to regional locations. Enter your postcode to check.

Calculate Delivery Time and Cost

Calculate Shipping


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: 19.5"
  • BB Height: 10.8"
  • Gearing: 42 x 16
  • Gear Ratio: 54.08"
  • Crank Length: 165mm
  • Weight: 8.95kg

(COBALT-EXP-2021)

 

Size 19.5TT
Frame 6061-T6 alloy frame, forged dropouts with int. chain tensioner
Fork CrMo fork, 1-1/8" butted steerer, hi-ten fork legs, 23mm offset
Headset FSA "No.28" integrated headset, sealed, 1-1/8"
Stem Radio Raceline "COBALT" top loader stem, ext. 50mm, alloy
Handlebar 4130 CrMo bar, seamless
Grips Radio Raceline "COBALT" grips, diamond knurling, closed end, flangeless, 130mm length
Brake Lever Promax "XL-378" brake lever, rear
Rear Brake Promax "MV-87" brake, rear
Crank Radio Raceline "COBALT" 3pc crank, forged alloy, 165mm length
Chainring Radio Raceline sprocket, 42T, alloy
Bottom Bracket Radio Raceline BB, BSA square taper, sealed
Pedals Radio Raceline "COBALT PRO" pedal, alloy
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 1-3/8"
Seat Radio Raceline "COBALT PRO" combo seat
Seat Clamp Radio Raceline seat clamp, forged alloy
Seat Post Radio Raceline seat post, 25.4mm, alloy
Gearing / Ratio 42x16 / 54.08"


 
FRAME / BAR GEOMETRY
 
TOP TUBE LENGTH - 19.5''
CHAIN STAY LENGTH - 13.6''
HEAD TUBE ANGLE - 73°
SEAT TUBE ANGLE - 71°
BOTTOM BRACKET HEIGHT - 10.8"
 
BAR RISE - 5.75''
BAR WIDTH - 24.5''
BAR BACKSWEEP - 8°
BAR UPSWEEP - 2°

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


You May Also Like



More From This Category


Colony Grip Lock Tyre (Each)

20x2.35
20x2.20

From $39.99

RRP $44.99 -11%

KMC K1 SL Race Chain (Narrow)

1/2x3/32

Now From $42.49

RRP $49.99 -15%

Maxxis Ultralight Tube

20x1.9-2.12
20x1.5-1.75

From $11.99