2014 GT Bump

2014 · 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.

2014 GT Bicycles
View the 2014 catalogue

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