Bump
In stock? Yes
 "Bump")
 "Bump")
GT's Bump is a mid-level dirt jumping and street bike. Designed to take on dirt jump tracks and urban features with equal style
Frame: Updated GT dirt design, cr-mo main tubes and stays, integrated 1-1/8" headtube, new 19mm CS, new DT gusset, new SS and CS bridge, new dropout, Mid BB, seat stay mounted U-brake
Fork: 2010 GT dirt/street design, Cr-Mo 1-1/8" steer, cr-mo 31.8mm blades, 6mmT. Dropouts
Crankset / Chainwheel: 2010 design tubular Cr-Mo 3pc., thread-in chianwheel pin, 8 spline, single bolt clamping, 175mm / 2010 design 25T steel GT design
Bottom Bracket: Mid size sealed bearings, 8 spline Cr-Mo axle
Pedals: GT Dirt/Street platform design, PC material, cr-mo alxe
Chain: KMC Z510
Rims: Alienation PBR, aluminum, 32 hole front, 36 hole rear, 31mm width
Front Hub: GT branded, aluminum body, sealed Mech. bearings, 3/8" Cr-Mo axle, 32 hole
Rear Hub: GT branded, alloy body, cassette with 9T one piece driver, sealed Mech., 14mm high carbon axle, 36 hole
Cog set: 9T cassette
Spokes: 14G
Nipples: Brass
Tires: Front: Kenda K-Rad 2.125" Rear: Kenda Konxsion 2.1"
Front Brake: Alloy side-pull caliper
Rear Brake: Tektro, FX340R, coil spring, melt forged aluminum U-brake
Brake Levers: Tektro, 273A, aluminum, hinged clamp
Handlebar: '07 GT Pro size dirt/street dual radius bend, Cr-mo, 7.67" rise
Stem: 2010 cold forged GT freestyle drop design, machined GT logo
Headset: FPD, 1-1/8" integrated, Campy sized 45x45 degree bearings, alloy top cap
Grips: GT Wing shroom design
Saddle: Pivotal street design, GT cover
Seat Post: Pivotal alloy design, 200mmL.
Seat Clamp: '08 GT CNC mini design
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