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0074 - GT Bump
 £199.99

Madness Pewter / 20 inch wheels

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 2005 Bump Specifications
Color(s):
Madness Pewter 
Size(s):
20" wheel / 20.5" top tube 
Crankset / Chainwheel:
GT Tubular Cr-Mo 3pc., 175mm / 39T steel GT design 
Bottom Bracket:
Steel, ball type 
Freewheel:
ACS FAT cr-mo, 14T. 
Chain:
KMC Z410 
Rims:
Alex G22, aluminum, 36 hole, 30mm width 
Tires:
Front: GT-1453 2.2" Rear: GT LP-IV 2.1" 
Spokes:
14G, black 
Nipples:
Brass 
Front Brake:
Alloy side-pull caliper 
Rear Brake:
Tektro, 907AD, dual anchor bolts, forged aluminum U-brake 
Brake Levers:
Tektro, 274A, aluminum 
Handlebar:
GT dirt/street bend, Cr-mo, 7" rise 
Stem:
GT Johnson III design, cold forged aluminum 
Headset:
Tange Seiki FATTY 22, extra deep cup engagement, 1-1/8" threadless 
Saddle:
GT-6 Original drop nose design, 9mm rails, two piece stitched cover 
Seat Post:
Aluminum double bolt micro adjust 
Seat Clamp:
GT Johnson design, cold forged aluminum, single bolt 
 2005 Bump Geometries
 Frame Size  20
 Head Tube Angle  74.5
 Seat Tube Angle  71
 Top Tube Length  20.5
 Chainstay Length  14
*Note - all prices and specifications are subject to change without notice.
 
 
 
 

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We sell mountain bikes, cross country bikes, bicycles for free ride or downhill, cross country, dirt /jump bikes, BMX, street & ramp, comfort, city and road.
We supply many major brands of high quality bicycles and cycling equipment including GT, Mongoose, Met helmets, Hope brakes, Camelback, Magura, Cateye lights and Cateye computers.
 
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20th April 2005