Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
GT
2017 GT Aggressor Expert
Previous used estimate
$158 - $162
Actual value depends on condition, size, and local demand.
Value Guide market data · 2017 GT Aggressor Expert
12-month projected trend
— %
Direction and magnitude, not judgment
vs. category average
2%
Drops faster than category avg
Price over time - 2017 GT Aggressor Expert
Values based on actual sales data. Enter your bike's specifics to get a precise valuation.
All Aggressor model years
2021$257 - $264▲ 63% vs. 2017
2020$210 - $216▲ 33% vs. 2017
2019$195 - $201▲ 24% vs. 2017
2018$166 - $170▲ 5% vs. 20172017$158 - $162Currently viewing
2016$144 - $148▼ 9% vs. 2017
2015$144 - $148▼ 9% vs. 2017
2014$125 - $129▼ 21% vs. 2017
2013$120 - $124▼ 24% vs. 2017
2012$126 - $130▼ 20% vs. 2017
2010$115 - $118▼ 27% vs. 2017
2008$86 - $88▼ 46% vs. 2017
2007$86 - $88▼ 46% vs. 2017
2006$87 - $90▼ 45% vs. 2017
2002$104 - $107▼ 34% vs. 2017
2001$104 - $107▼ 34% vs. 2017
1998$110 - $113▼ 30% vs. 2017Compare Aggressor Expert models
1 modelsChoose a different build or frame style to see its value.
Overview
About this bike
GT's Aggressor Expert is just the thing for exploring everything from the trails to cruising through town. With a nimble, light, and stiff GT 6061-aluminum Triple-Triangle frame, a bump-absorbing All Terra suspension fork, and a quick-shifting 24-speed Shimano drivetrain, you have all the tools necessary to tackle rolling terrain on and off-road. Meanwhile, the 27.5-inch aluminum wheels make the going easy, while the powerful Tektro hydraulic disc brakes and versatile tires provide confidence and control. Enjoy the thrills of the knobby-tired world on the GT Aggressor.
Specifications
- Subtype
- Cross Country
- Category
- Mountain
- Component Fork
- All Terra CH-525 HLO, 29mm Stanchions, alloy Lower legs 80mm travel for 27.5, disc brake specifc
- Component Hubs
- Front: Alloy Disc QRRear: Alloy Cassette Disc QR
- Component Size
- XX-Small, X-Small, Small, Medium, Large, X-Large
- Component Stem
- Alloy 1 1/8" Threadless, 4-Bolt W/ CNC Face Plate, 10mm Rise, 31.8mm Clamp
- Product Family
- Aggressor
- Component Chain
- KMC Z72
- Component Color
- Black, Neon Yellow
- Component Frame
- 6061-T6 Aluminum Triple Triangle Frame, w/ Replaceable Derailleur Hanger, 27.5 Design
- Component Brakes
- Tektro Hydro Disc, 160mm Rotor
- Component Pedals
- GT Slim Line Flat Pedal
- Component Saddle
- All Terra MTB
- Component Headset
- 1 1/8" Ahead
- Component Cassette
- Sunrace, 11-34T, 8-Speed Cassette UPC
- Component Crankset
- All-Terra Forged Alloy
- Component Shifters
- Shimano
- Component Handlebar
- 6061 Aluminum Riser, 640mm Width, 12mm Rise, 31.8mm Clamp
- Component Seat Post
- Alloy Micro Adjust
- Component Chainrings
- 42/34/24T
- Component Front Tire
- All Terra Cypher 27.5X2.1"
- Component Tape Grips
- GT Statement
- Component Brake Levers
- Tektro Disc Brake Lever
- Component Bottom Bracket
- Cartridge Sealed
- Component Rear Derailleur
- Acera
- Component Front Derailleur
- Shimano TY500
- Hubs
- Front: Alloy Disc QRRear: Alloy Cassette Disc QR
- Crankset
- All-Terra Forged Alloy
- Pedals
- GT Slim Line Flat Pedal
- Bottom Bracket
- Cartridge Sealed
- Chain
- KMC Z72
- Saddle
- All Terra MTB
- Handlebar
- 6061 Aluminum Riser, 640mm Width, 12mm Rise, 31.8mm Clamp
- Headset
- 1 1/8" Ahead
- Front Derailleur
- Shimano TY500
- Rear Derailleur
- Acera
- Stem
- Alloy 1 1/8" Threadless, 4-Bolt W/ CNC Face Plate, 10mm Rise, 31.8mm Clamp
- Brake Levers
- Tektro Disc Brake Lever
- Brakes
- Tektro Hydro Disc, 160mm Rotor
- Cassette
- Sunrace, 11-34T, 8-Speed Cassette UPC
- Chainrings
- 42/34/24T
- Fork
- All Terra CH-525 HLO, 29mm Stanchions, alloy Lower legs 80mm travel for 27.5, disc brake specifc
- Frame
- 6061-T6 Aluminum Triple Triangle Frame, w/ Replaceable Derailleur Hanger, 27.5 Design
- Seat Post
- Alloy Micro Adjust
- Shifters
- Shimano
- Tape/Grips
- GT Statement
- Color
- Neon Yellow
- Size
- X-Large
- Front Tire
- All Terra Cypher 27.5X2.1"
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.
Inspection
Suspension service
Confirm fork and rear shock service intervals and check pivot bearings for play.