GT

2021 GT Aggressor Expert

Previous used estimate

$257 - $264

Actual value depends on condition, size, and local demand.

2021 GT Aggressor Expert

Value Guide market data · 2021 GT Aggressor Expert

12-month projected trend

11%

Direction and magnitude, not judgment

vs. category average

6%

Drops faster than category avg

Price over time - 2021 GT Aggressor Expert

$760$423$85MSRPMSRPYr 1Yr 2Yr 3Yr 4Yr 5Yr 6Yr 7Yr 7Yr 8Yr 9Yr 10Yr 11Yr 12Yr 13Yr 14Yr 14Yr 15Yr 16Yr 17Yr 18Yr 19Yr 20Yr 20

Values based on actual sales data. Enter your bike's specifics to get a precise valuation.

All Aggressor model years

Compare Aggressor Expert models

1 models

Choose a different build or frame style to see its value.

Overview

About this bike

Off-road friendly and lightweight, the Aggressor Expert is perfect for everyday recreational use. This bike features X Guides that help keep cables tucked away and tidy. Wheel size: - Sizes X-Small – Small: 27.5-inch - Sizes Medium – X-Large: 29-inch

Specifications

Subtype
Cross Country
Category
Mountain
Component Fork
SR Suntour XCM-DS, 80mm, Hydraulic Lockout and Preload, Coil
Component Hubs
Front: Alloy Disc, QR Rear: Alloy Disc Cassette QR
Component Rims
WTB SX19, 32h
Component Size
X-Small, Small, Medium, Large, X-Large
Component Stem
GT All Terra, 6061 Alloy, 31.8, 8°
Product Family
Aggressor
Component Chain
KMC Z8.3, 8-speed
Component Color
Gloss Silver/Team Blue
Component Frame
GT 6061 T6 Aluminum Frame, Triple Triangle w/Floating Seat Stays, Forged Drop-outs w/Disc Brake Mounts, Zero Stack 1 1/8" Head Tube, 27.5/29" Wheels
Component Tires
WTB Ranger Comp, 27.5/29 x 2.25", DNA Compound
Component Brakes
Tektro M275 Hydro Disc, 160/160mm Rotor
Component Pedals
GT Slim Line Flat Pedal
Component Saddle
GT MTB
Component Headset
Semi-integrated, Sealed Cartridge
Component Crankset
Shimano TY301, 42/34/24t
Component Seatpost
GT All Terra Two Bolt Alloy
Component Shifters
Shimano SL-M315, 8-speed
Component Handlebars
GT All Terra Alloy Riser, 25mm Rise, 8° Sweep, 6° Rise, 720mm Width
Component Tape Grips
GT Statement
Component Wheel Size
27.5-inch, 29-inch
Component Bottom Bracket
Cartridge, Square Taper
Component Rear Derailleur
Shimano Tourney
Component Front Derailleur
Shimano TY700
Component Cassette Freewheel
Shimano Acera, 12-32, 8-speed
Hubs
Front: Alloy Disc, QR Rear: Alloy Disc Cassette QR
Rims
WTB SX19, 32h
Tires
WTB Ranger Comp, 27.5/29 x 2.25", DNA Compound
Crankset
Shimano TY301, 42/34/24t
Pedals
GT Slim Line Flat Pedal
Bottom Bracket
Cartridge, Square Taper
Chain
KMC Z8.3, 8-speed
Seatpost
GT All Terra Two Bolt Alloy
Saddle
GT MTB
Headset
Semi-integrated, Sealed Cartridge
Front Derailleur
Shimano TY700
Rear Derailleur
Shimano Tourney
Stem
GT All Terra, 6061 Alloy, 31.8, 8°
Brakes
Tektro M275 Hydro Disc, 160/160mm Rotor
Fork
SR Suntour XCM-DS, 80mm, Hydraulic Lockout and Preload, Coil
Frame
GT 6061 T6 Aluminum Frame, Triple Triangle w/Floating Seat Stays, Forged Drop-outs w/Disc Brake Mounts, Zero Stack 1 1/8" Head Tube, 27.5/29" Wheels
Handlebars
GT All Terra Alloy Riser, 25mm Rise, 8° Sweep, 6° Rise, 720mm Width
Shifters
Shimano SL-M315, 8-speed
Tape/Grips
GT Statement
Color
Gloss Silver/Team Blue
Size
X-Large
Wheel Size
29-inch
Cassette/Freewheel
Shimano Acera, 12-32, 8-speed

What to check when buying used

Inspection

Frame condition

Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.

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.

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