Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
GT
2018 GT Performer 20-inch
Value Guide market data · 2018 GT Performer 20-inch
12-month trend
1%
Direction and magnitude, not judgment
vs. category average
— %
No category comparison available
Price over time - 2018 GT Performer 20-inch
Values based on actual sales data. Enter your bike's specifics to get a precise valuation.
All Performer model years
2021$939 - $1,091▲ 33% vs. 2018
2020$326 - $378▼ 54% vs. 2018
2019$684 - $794▼ 3% vs. 2018
2018$707 - $821Currently viewing
2017$316 - $367▼ 55% vs. 2018
2016$279 - $324▼ 61% vs. 2018
2015$307 - $356▼ 57% vs. 2018
2014$456 - $529▼ 36% vs. 2018
2012$460 - $535▼ 35% vs. 2018
2010$344 - $400▼ 51% vs. 2018
2003$233 - $270▼ 67% vs. 20181999$312 - $363▼ 56% vs. 20181998$366 - $426▼ 48% vs. 20181994$298 - $346▼ 58% vs. 20182018 Performer 20-inch lineup
Overview
About this bike
2018 GT Performer 20-inch value depends on condition, original build, frame material, service history, and current buyer demand.
Specifications
Brakes
- Brake Levers
- Alloy
- Brakes
- Rear: Aluminum U-brake w/ soft compound pad
Cockpit
- 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, 1 loose ball, 4 sealed bearings
- Axles
- Front: 3/8", 15mm nuts<br> Rear: Cr-Mo 14mm x 180mm axle, 17mm nut
Pedals
- Pedals
- GT Low Profile FS platform design, PP material, Boron steel axle
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.