Bump '09

On the street or on the dirt, the Bump is one tough BMX bike.

Specs:

• Fork:
  '08 GT dirt/street design, full cr-mo, small dropouts,1-1/8" x 22.2mm steerer, 1-1/4" O.D. blades
• Front Brake:
  N/A
• Grips:
  GT Wing shroom design
• Rear Derailleur:
  N/A
• Brake Levers:
  Tektro, 275A, aluminum, hinged clamp
• Saddle:
  '09 GT Slim mini street design, 8mm rails
• Chain:
  KMC Z510HX
• Stem:
  GT FS design, cold forged aluminum, machined GT logo
• Extras:
  GT machined H/bar end plugs
• Tires:
  Front: Kenda K-Rad 2.125" 65psi, Rear: Kenda Kiniption 2.1" 120psi
• Pedals:
  '05 GT Dirt/Street platform design, aluminum body, press-in pins, cr-mo alxe
• Rear Hub:
  Joy Tech cassette, 4 cartridge sealed bearings, 14mm cr-mo axle, 36 hole
• Crankset / Chainwheel:
  Improved GT tubular Cr-Mo 3pc., 8 spline, double bolt clamping, '08 GT 33T CNC aluminum W/cut-out windows for lighter weight
• Nipples:
  Brass
• Frame:
  '08 GT dirt/street design, 100% cr-mo, machined cr-mo headtube for integrated headset, "MID SIZE" BB shell, small cr-mo 5mmT. Dropouts, seat stay mounted U-brake
• Freewheel:
  12T cassette
• Rear Brake:
  Tektro, FX-15D, linear spring, single anchor bolts, cold forged aluminum U-brake
• Headset:
  TH No. 8-D, Impact, Campy 1-1/8" integrated design,
• Shifter:
  N/A
• Handlebar:
  '07 GT dirt/street dual radius bend, Cr-mo, 7.67" rise
• Seat Post:
  Aluminum double bolt micro adjust
• Rims:
  Alienation Black Sheep, double wall, black 32 hole front, CP 36 hole rear, 33mm width
• Bottom Bracket:
  Sealed bearing "MID SIZE" BB set, cr-mo 8 spline axle
• Front Hub:
  '05 GT branded, cartridge sealed bearings, 3/8" cr-mo axle, 32 hole
• Seat Clamp:
  '08 GT CNC mini design
• Spokes:
  14G, SS