2014 GT Bump
2014 GT Bump BMX bike features a dirt-design frame with Cr-Mo main tubes, a 3-piece Cr-Mo crankset, 25x9 gearing, and double-wall rims for trail and street riding.
Description
Pivotal Padded saddle and postA day at the trails with your crew is what BMX is all about. Flowing through lines and getting in every last run you can before the sun goes do. Take the Bump to the trails, and the Bump will take to the trails. And when a street session calls find a set of pegs and hit it.
KEY FEATURES
GT Dirt Design Frame with Cr-Mo Main Tubes (H/T, T/T, D/T) and CrMo Steerer Fork and Fully removable Brake hardware
GT Tubular Cr-Mo 3Pc Crmo cranks with Sealed Mid BB
25x9 gearing with a Fully sealed bearing cassette
DOUBLE WALL Rims
Taller Hanlderbar Size
GT Top Load inverted design stem
Technical specification
Geometry
- Sizes
- 20" Wheel, 21" Top Tube
Frame & Fork
- Frame
- GT Dirt Design S/S, Cr-Mo Main Tubes (H/T, T/T, D/T), Downtube Gusset, MID BB, Seat Stay Mounted U-Brake, Removable Rotor Guides, Integrated 1-1/8" Headtube
- Fork
- GT Dirt/Street Design, Hi-Ten 31.8- 28.6mm Tapered O.D. Blades, Cr-Mo Steerer, 320mm A/C, 3/8" Axle
Drivetrain
- Crankset
- GT Tubular Cr-Mo 3Pc., 175mm Arms, Cold Forged Cr-Mo 19mm x 8T Spline Spindle, 5mm 25T GT AL Chain Wheel
- Bottom bracket
- Mid Sealed Bearing
- Chain
- KMC Z410
- Pedals
- GT Low Profile Large Size Platform Design, PP Material, Boran Axle
Wheels
- Rims
- BX-32, 36H, Double Wall
- Tires
- (F) GT Sandbox Dirt Tread 20" x 2.10", (R) GT Pool Street Tread 20" x 2.10"
- Spokes
- Stainless Steel
- Hubs
- (F) 36H Alloy Body, Sealed Bearing 3/8" Axle, (R) Alloy 5pcs Sealed Bearings, CR-MO Axle, 9T Cassette 36 Hole
Cockpit & contact
- Handlebar
- GT 100% Chromoly 690mm width, 210mm rise, 11 degree sweep, 3-degree tip, taper Crossbar
- Stem
- GT Top Load Design With Cold Forged Clamp, 50mm Ext, GT CNC logo
- Grips
- GT Wings Logo 130mm Single Compound
- Headset
- FSA, 1 1/8" Integrated Design 45x 45 Sealed Bearings
- Saddle
- Pivotal Padded
- Seat post
- Pivotal
- Seatpost clamp
- Alloy, 28.6mm
Brakes
- Brakes
- Tektro FX340R, Aluminum U-Brake
- Brake levers
- Tektro 289A


