Radio Cobalt Junior Bike
The Radio Racelinehas 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 bi
The Radio Racelinehas 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 epicRadioparts to ensure a ride like no other!Radio Raceline Cobalt Gripsprovide loads of grip for your hands, TheRadio Raceline Cobalt Hubslaced up todouble walledRadio 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 with incredible paint and graphics, youll 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: 18.5″”
- BB Height: 10.4″”
- Gearing: 40x 16
- Gear Ratio: 49.75″”
- Crank Length: 155mm
- Tyres: 20 x 1-1/8
- Weight:8.07kg
| Size | 18.5TT |
| 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, 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, 155mm length |
| Chainring | Radio sprocket, 40T, alloy |
| Bottom Bracket | Radio Raceline BB, BSA square taper, sealed |
| Pedals | Radio RacelineJunior, 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 | 40×16 / 49.75″” |
FRAME / BAR GEOMETRY
TOP TUBE LENGTH 18.5
CHAIN STAY LENGTH 12.85
HEAD TUBE ANGLE 73
SEAT TUBE ANGLE 71
BOTTOM BRACKET HEIGHT 10.4
HANDLEBAR GEOMETRY
RISE 4.25
WIDTH 24
BACKSWEEP 8
UPSWEEP 2
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