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MountainVerified spec

2011 GT Avalanche X

Launched at $1,599

Own a 2011 GT Avalanche X?

Track its value in your garage, or list it for sale locally in a few taps.

What a used one is worth

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New

$388

$201 to $521

Like new

$369

$191 to $495

Excellent

$349

$181 to $469

Good

$291

$151 to $391

Fair

$213

$111 to $287

For parts

$116

$60 to $156

From the launch price, aged to 2026 and adjusted for condition. Guidance from our catalog, not an appraisal.

Overview

Brand
GT
Model family
Avalanche
Model year
2011
Category
Mountain · recreational
Frame material
aluminum
Sizes
XS, S, M, L, XL, XXL
Wheel size
26
Launch MSRP (US)
$1,599

Drivetrain

Speeds
9
Groupset
SRAM X9
Chainrings
2
Electronic
false
Total gears
18

Build

Fork
RockShox Sektor RL, 15x100mm maxle, solo air, 140mm travel, Aluminum stanchions, magnesium leg, w/ rebound adjust, lockout, & Aluminum steerer.
Stem
All-Terra 1 1/8" Threadless, 3-D Forged, 4-bolt w/ CNC Face Plate, 5° Rise, 31.8mm Clamp
Tires
Maxxis High Roller 26" x 2.35", 60tpi
Brakes
front: Shimano BR-M445, w/ 180mm Rotor; rear: Shimano BR-M445, w/ 180mm rotor; levers: Shimano BL-M505
Saddle
WTB Devo Race
Wheels
rims: Alex XD-Sport, 32h; front hub: All-Terra alloy disc, 15x100mm thru axle; rear hub: All-Terra Alloy Cassette Disc, w/ Quick Release; spokes: 14/15g DB Stainless
Cassette
SRAM PG950, 9-speed, 11-34t
Crankset
Shimano FC-M545, 36/22t w/ bashguard
Seatpost
All-Terra AL2014
Shifters
SRAM X7, trigger
Handlebar
All-Terra 6061 Aluminum Riser, 685mm Width, 25mm Rise, 31.8mm Clamp
Rear derailleur
SRAM X9, mid cage
Travel front mm
140

Spec from GT's official 2011 catalog (PDF), specification chart on PDF page 138, column "AVALANCHE X"; the catalog prints no prices. Fix round 2026-10-21: every row of this column re-read with a third reader (pdftotext -table, which keeps each row label level with its cells); values that the earlier two reader pass merged with a neighbouring column or dropped are now as printed. Frame: Hydroformed, 6061-T6 Aluminum, triple triangle design, w/ Zerostack Head Tube, Disc Mount, Replaceable Derailleur Hanger. Front derailleur: Shimano SLX, FD-M665 Bottom bracket: Shimano 2-PIECE Chain: Shimano CN-HG73 Headset: FSA NO.11 1 1/8" Threadless, Zerostack Pedals: GT slimline flat pedal, cast alloy, w/ replaceable pins Grips: Dual Density, GT Wing w/ Waffle Seat clamp: All-Terra Alloy QR Nipples: Alloy MSRP $1599 read from the product's own price block (under the model name) on GT's 2011 site product page "Avalanche Expert - Satin Black" (GT's 2011 site names it "Avalanche Expert"; its spec table matches this chart column), captured 2011-05, inside the 2011 launch window (fix round 2026-10-21).

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