Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
GT
2006 GT Bump
Value Guide market data · 2006 GT Bump
12-month trend
— %
Direction and magnitude, not judgment
vs. category average
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Price over time - 2006 GT Bump
Values based on actual sales data. Enter your bike's specifics to get a precise valuation.
All Bump model years
2006 Bump lineup
Overview
About this bike
2006 GT Bump value depends on condition, original build, frame material, service history, and current buyer demand.
Specifications
Frameset
- Frame Construction
- TIG-welded
- Frame Tubing Material
- 3-tube chromoly
- Fork Brand & Model
- '05 GT dirt jump design
- Fork Material
- Chromoly
- Rear Shock
- Not applicable
Drivetrain
- Groupset
- 2006 GT Bump
- Component Group
- BMX
- Shift Levers
- Not applicable
- Crankset
- GT Tubular Cr-Mo 3pc, 36 teeth
- Bottom Bracket
- Steel, ball type
- Rear Cogs
- 1-speed, 13 teeth
- Chain
- KMC Z410
Brakes
- Brakeset
- Alloy side-pull caliper front/Tektro, 907AD, dual anchor bolts, forged aluminum U-brake rear brakes, Tektro, 274A, aluminum levers
Cockpit
- Seatpost
- Aluminum double bolt micro adjust
- Saddle
- GT inchStar 19inch two piece design, 9mm rails
- Handlebar
- GT dirt/street bend, Cr-mo, 7inch rise
- Headset
- 1 1/8inch Tange Seiki FATTY 22, extra deep cup engagement
Wheels & Tires
- Hubs
- Front: '05 GT branded, aluminum body, sealed Mech. bearings, 3/8inch Cr-Mo axle, 36 h, Rear: '05 GT branded, aluminum body, sealed Mech. bearins, 14mm Cr-Mo axle, 36 ho
- Rims
- Alex G22, aluminum, 36 hole, 30mm width, 36-hole
- Tires
- Front: 26 x 2.20inch GT-1453, Rear: 26 x 2.10inch GT LP-IV
- Spoke Brand
- 14ga. (2.0mm) straight gauge
- Spoke Nipples
- Brass nipples
Accessories
- Colors
- RootBeer Brown, Pink
- Extensions
- Not applicable
Weight & Sizing
- Sizes
- 20inch wheel
Frame sizing
XS4'10"-5'2"
S5'2"-5'6"
M5'6"-5'10"
L5'10"-6'2"
XL6'2"-6'6"
M highlighted as most common resale size. Sourced from catalog metadata.
Geometry
- Stack
- Varies by size
- Reach
- Varies by size
- Wheelbase
- Varies by size
Industry standard. Sourced from catalog metadata.
What to check when buying used
Inspection
Drivetrain wear
Check chain stretch, cassette teeth, chainrings, and shifting under load before negotiating price.
Inspection
Wheel condition
Inspect rims, hubs, spokes, and bearing play; ask about the tire age and any prior wheel rebuilds.
Inspection
Service history
Ask for service records covering bearings, brakes, drivetrain, and any frame or fork warranty work.