Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
GT
1999 GT Pro Series
Previous used estimate
$126 - $129
Actual value depends on condition, size, and local demand.
Value Guide market data · 1999 GT Pro Series
12-month projected trend
— %
Direction and magnitude, not judgment
vs. category average
— %
No category comparison available
Price over time - 1999 GT Pro Series
Values based on actual sales data. Enter your bike's specifics to get a precise valuation.
All Pro model years
2021$300 - $308▲ 138% vs. 1999
2020$225 - $232▲ 79% vs. 1999
2019$183 - $188▲ 45% vs. 1999
2018$165 - $170▲ 31% vs. 1999
2017$117 - $120▼ 7% vs. 1999
2016$131 - $135▲ 4% vs. 1999
2015$134 - $138▲ 7% vs. 1999
2014$148 - $152▲ 18% vs. 1999
2013$151 - $156▲ 20% vs. 19992000$111 - $114▼ 12% vs. 19991999$126 - $129Currently viewing1998$122 - $126▼ 3% vs. 1999Compare Pro Series models
1 modelsChoose a different build or frame style to see its value.
Overview
About this bike
1999 GT Pro Series value depends on condition, original build, service history, and current buyer demand.
Specifications
- Category
- BMX
- Component Hubs
- GT Rhythm System sealed
- Component Rims
- GT Rhythm System aluminum
- Product Family
- Pro
- Component Chain
- 1/2 x 1/8inch
- Component Tires
- Front: 20 x 2.125inch GT AA Pro, Rear: 20 x 1.75inch GT AA Pro
- Component Pedals
- GT aluminum platform
- Component Saddle
- GT Drop Nose
- Component Headset
- 1 1/8inch threadless Aheadset SX-1
- Component Brakeset
- Dia-Compe MX1, direct pull rear brakes, Dia-Compe MX-1 rear levers
- Component Cassette
- 1-speed, 16 teeth
- Component Crankset
- GT 1-piece chromoly
- Component Seatpost
- Aluminum micro-adjust
- Component Handlebar
- GT
- Component Extensions
- Not applicable
- Component Rear Shock
- Not applicable
- Component Spoke Brand
- Stainless steel, 2.0mm straight gauge
- Component Shift Levers
- Not applicable
- Component Fork Material
- Chromoly, unicrown crown
- Component Spoke Nipples
- Brass nipples
- Component Bottom Bracket
- One piece
- Component Handlebar Stem
- GT Piston Invet
- Component Component Group
- Not applicable
- Component Fork Brand Model
- GT
- Component Frame Construction
- Welded
- Component Frame Tubing Material
- Reynolds 631
- Frame Construction
- Welded
- Frame Tubing Material
- Reynolds 631
- Fork Brand & Model
- GT
- Fork Material
- Chromoly, unicrown crown
- Rear Shock
- Not applicable
- Hubs
- GT Rhythm System sealed
- Rims
- GT Rhythm System aluminum
- Tires
- Front: 20 x 2.125inch GT AA Pro, Rear: 20 x 1.75inch GT AA Pro
- Spoke Brand
- Stainless steel, 2.0mm straight gauge
- Spoke Nipples
- Brass nipples
- Component Group
- Not applicable
- Brakeset
- Dia-Compe MX1, direct pull rear brakes, Dia-Compe MX-1 rear levers
- Shift Levers
- Not applicable
- Crankset
- GT 1-piece chromoly
- Pedals
- GT aluminum platform
- Bottom Bracket
- One piece
- Chain
- 1/2 x 1/8inch
- Seatpost
- Aluminum micro-adjust
- Saddle
- GT Drop Nose
- Handlebar
- GT
- Extensions
- Not applicable
- Handlebar Stem
- GT Piston Invet
- Headset
- 1 1/8inch threadless Aheadset SX-1
- Cassette
- 1-speed, 16 teeth
What to check when buying used
Inspection
Drivetrain wear
Check chain stretch, cassette teeth, chainrings, and shifting under load before negotiating price.
Inspection
Service history
Ask for service records covering bearings, brakes, drivetrain, and any frame or fork warranty work.