Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
GT
2021 GT Avalanche Comp
Previous used estimate
$395 - $407
Actual value depends on condition, size, and local demand.
Value Guide market data · 2021 GT Avalanche Comp
12-month projected trend
11%
Direction and magnitude, not judgment
vs. category average
5%
Drops faster than category avg
Price over time - 2021 GT Avalanche Comp
Values based on actual sales data. Enter your bike's specifics to get a precise valuation.
All Avalanche model years
2024$741 - $763▲ 88% vs. 2021
2022$573 - $589▲ 45% vs. 20212021$395 - $407Currently viewing
2020$283 - $291▼ 28% vs. 2021
2019$241 - $248▼ 39% vs. 2021
2018$199 - $205▼ 50% vs. 2021
2016$201 - $206▼ 49% vs. 2021
2015$207 - $213▼ 48% vs. 2021
2014$168 - $173▼ 57% vs. 2021
2013$230 - $237▼ 42% vs. 2021
2012$224 - $230▼ 43% vs. 2021
2011$297 - $306▼ 25% vs. 2021
2010$192 - $197▼ 51% vs. 2021Compare Avalanche Comp models
1 modelsChoose a different build or frame style to see its value.
Overview
About this bike
For the aspiring mountain biker who wants a trusted ride, the Avalanche Comp features an SR Suntour XCM-HLO suspension fork and microSHIFT gear range providing a ride that will help develop skills. - Completely re-designed alloy frame for renewed style and swagger - Internal cable routing allows for a clean look - New floating seat stays provide additional compliance and comfort 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, 100mm, Hydraulic Lockout and Preload adjust, Coil
- Component Hubs
- Front: Formula, 100mm QR Rear: Formula, 141mm 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
- Avalanche
- Component Chain
- KMC X10, 10-speed
- Component Color
- Gloss Aqua/Black Fade
- Component Frame
- GT 6061 T6 Aluminum Frame, Triple Triangle w/Floating Seat Stays, Internal Cable Routing, Dropper Post Routing, Boost 141 Forged Drop-outs w/Disc Brake Mounts, Zero Stack Tapered 1 1/8" - 1.5" Head Tube, 27.5/29" Wheels
- Component Tires
- WTB Ranger Comp, 27.5/29 x 2.25", DNA Compound
- Component Brakes
- Tektro HD-M275
- Component Pedals
- GT Slim Line Flat Pedal
- Component Saddle
- GT MTB
- Component Headset
- Semi-integrated, Sealed Cartridge, Tapered
- Component Crankset
- Prowheel Charm, 32T
- Component Seatpost
- GT All-Terra Micro Adjust Alloy Seat Post, 30.9mm
- Component Shifters
- microSHIFT M851, 10-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
- Microshift RD-M6205GM
- Component Cassette Freewheel
- microSHIFT, 11-42T
- Hubs
- Front: Formula, 100mm QR Rear: Formula, 141mm QR
- Rims
- WTB SX19, 32h
- Tires
- WTB Ranger Comp, 27.5/29 x 2.25", DNA Compound
- Crankset
- Prowheel Charm, 32T
- Pedals
- GT Slim Line Flat Pedal
- Bottom Bracket
- Cartridge, Square Taper
- Chain
- KMC X10, 10-speed
- Seatpost
- GT All-Terra Micro Adjust Alloy Seat Post, 30.9mm
- Saddle
- GT MTB
- Headset
- Semi-integrated, Sealed Cartridge, Tapered
- Rear Derailleur
- Microshift RD-M6205GM
- Stem
- GT All Terra, 6061 Alloy, 31.8, 8°
- Brakes
- Tektro HD-M275
- Fork
- SR Suntour XCM-DS, 100mm, Hydraulic Lockout and Preload adjust, Coil
- Frame
- GT 6061 T6 Aluminum Frame, Triple Triangle w/Floating Seat Stays, Internal Cable Routing, Dropper Post Routing, Boost 141 Forged Drop-outs w/Disc Brake Mounts, Zero Stack Tapered 1 1/8" - 1.5" Head Tube, 27.5/29" Wheels
- Handlebars
- GT All Terra Alloy Riser, 25mm Rise, 8° Sweep, 6° Rise, 720mm Width
- Shifters
- microSHIFT M851, 10-speed
- Tape/Grips
- GT Statement
- Color
- Gloss Aqua/Black Fade
- Size
- X-Large
- Wheel Size
- 29-inch
- Cassette/Freewheel
- microSHIFT, 11-42T
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.