Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
GT
2018 GT Pro Performer
Value Guide market data · 2018 GT Pro Performer
12-month trend
12%
Direction and magnitude, not judgment
vs. category average
— %
No category comparison available
Price over time - 2018 GT Pro Performer
Values based on actual sales data. Enter your bike's specifics to get a precise valuation.
All Pro model years
2021$823 - $956▲ 26% vs. 2018
2020$698 - $810▲ 7% vs. 2018
2019$637 - $740▼ 2% vs. 2018
2018$651 - $756Currently viewing
2017$521 - $605▼ 20% vs. 2018
2016$586 - $680▼ 10% vs. 2018
2015$605 - $702▼ 7% vs. 2018
2014$660 - $767▲ 1% vs. 2018
2013$674 - $783▲ 4% vs. 20182000$323 - $375▼ 50% vs. 20181999$353 - $410▼ 46% vs. 2018
1998$315 - $366▼ 52% vs. 20181996$651 - $7560% vs. 20181995$605 - $702▼ 7% vs. 20182018 Pro Performer lineup
Overview
About this bike
2018 GT Pro Performer value depends on condition, original build, frame material, service history, and current buyer demand.
Specifications
Frameset
- Fork
- GT Pro Performer Design, 100% Cr-Mo 1pc. threaded steerer 31.8- 28.6mm tapered O.D. blades, 31mm offset
- Frame
- GT '86 Pro Performer Design, 100% Cr-Mo tubes, downtube gusset, mid BB, integrated headset design, removable rotor tabs, Odyssey Springfield brake-compatible
Drivetrain
- Groupset
- 2018 GT Pro Performer
- Crankset
- GT Power Series Alloy 3pc, 175mm Arms, Cr-Mo 22mm square taper
- Bottom Bracket
- MID sealed bearing
- Chain
- KMC HL710 Half Link
- Chainrings
- 25T 5mm GT '86 Performer Design aluminum
- Freewheel
- 9T cassette
Brakes
- Brake Levers
- Hinged Alloy
- Brakes
- Odyssey Springfield U-Brake
Cockpit
- Saddle
- GT Pivotal Padded
- Headset
- 1-1/8" Integrated design, 45x45 degree sealed bearings
- Stem
- GT Mallet 100% CNC front load, 1-1/8", 19mm rise, 43mm length
- Handlebars
- GT Pro Performer 2pc. 100% Cr-Mo, 9.125"H x 29"W, 5° up, 9° back
- Seat Post
- Alloy Pivotal 25.4 x 200mm
- Tape/Grips
- GT Super Soft 155mm single compound w/o flange w/ GT removable plug
Wheels & Tires
- Hubs
- Front: Alloy body, sealed bearings<br>Rear: Alloy body, 5pc sealed bearings
- Tires
- GT LP-5 20x2.35
- Axles
- Front: Female 17mm, 3/8" bolts<br> Rear: Cr-Mo 14mm x 180mm axle, 17mm nut
Pedals
- Pedals
- GT Low Profile FS platform design, PP material, Boron steel axle
Accessories
- Rims/Wheels
- Alloy double wall, 36h
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.