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GT Bump 2012 BMX Bike
| Frame | New 2012 Dirt design, Cr-Mo Main Tubes(DT, TT, HT), 114mm L Machined 1-1/8" Integrated H/T, Mid BB, 5mm Dropouts , Seat Stay Mounted U-Brake, Removable Rotor Guides |
| Forks | Hi-Ten 28.6mm Cr-Mo Threadless Steer , Hi-Ten 31.8mm - 28.6 Taper O.D. X 1.4mm T. Blades, 100mm OLD, 6mm Thick Dropouts For 3/8" Axle |
| Cranks | GT Tubular Cr-Mo 3PC., 19mm X 8T Spline , Single Clamping Bolt , 175mm |
| Pedals | GT Low Profile Large Platform Design, Nylon Material , Cr-Mo Axle |
| Sprocket | 25t |
| Bottom Bracket | 8T X 19mm Spline D Cold Forged Cr-Mo Axle, 2X Mid Sealed Bearing |
| Freewheel / Driver | 9T cassette |
| Chain | KMC Z510 |
| Brakes | Tektro , FX340R, Coil Spring , Melt Forged U-Brake (Rear), Generix (Front) |
| Brake Levers | Tektro XL750, Forged AL, Hinged Clamp (Rear), Generix (Front) |
| Bars | 1.6mm T. Cro-mo; 690mm Width , 210mm Rise , 11 Degree Sweep, 3 Degree Tip, Taper Cross Bar |
| Grips | GT Wings Logo 130mm Single Compound |
| Stem | GT Top Load Design With Cold Forged Clamp, 50mm EXT |
| Headset | FPD, 1 1/8" Integrated Design 45 X 45 Degree Sealed Bearing |
| Wheels | Rear Hub: 5 Sealed Bearing , 14mm Cr-Mo Axle , One Piece 9T Cassette 36 Hole Front Hub: ALLOY Body , Loose Ball, 3/8" Cr-Mo Axle , 32 Hole, Rims Alienation Double Wall Black Sheep 32F/36R Hole |
| Tyres | GT Dirt Tread 2.125" F/R |
| Seat | GT Dirt design Unified Padded Sadde w/Post |
| Seapost | Integrated with saddle, 135mm |
| Bike Spec | |
| MODEL YEAR | 2012 |