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MountainVerified spec

2011 GT Avalanche 1.0

Launched at $1,039

Own a 2011 GT Avalanche 1.0?

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What a used one is worth

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New

$252

$131 to $339

Like new

$240

$124 to $322

Excellent

$227

$118 to $305

Good

$189

$98 to $254

Fair

$139

$72 to $186

For parts

$76

$39 to $102

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)
$1,039

Drivetrain

Speeds
9
Groupset
Shimano SLX
Chainrings
3
Electronic
false
Total gears
27

Build

Fork
Rockshox Tora 302, 120mm Travel, Steel Stanchions, Magnesium Leg, w/ Rebound Adjust & Lockout
Stem
All-Terra 1 1/8" Threadless, 3D Forged, 4-Bolt w/ CNC Face Plate, 5° Rise, 31.8mm Clamp
Tires
Maxxis Mobster, 26" x 2.35"
Brakes
front: Shimano BR-M445, w/ 180mm Rotor; rear: Shimano BR-M445, w/ 160mm Rotor; levers: Shimano BR-M445
Saddle
WTB Pure-V Sport
Wheels
rims: Alex TD24, 32h; front hub: All-Terra Alloy Disc, w/ Quick Release; rear hub: All-Terra Alloy Cassette Disc, w/ Quick Release; spokes: 14g Stainless
Cassette
Shimano CS-HG30-9, 9-speed, 11-34t
Crankset
Shimano FC-M442, 44/32/22t
Seatpost
All-Terra Alloy Micro-Adjust
Shifters
Shimano Deore, SL-M590, Rapid Fire
Handlebar
All-Terra 6061 Aluminum Riser, 685mm Width, 25mm Rise, 31.8Mm Clamp
Rear derailleur
Shimano SLX, RD-M662-SGS
Travel front mm
120

Spec from GT's official 2011 catalog (PDF), specification chart on PDF page 139, column "AVALANCHE 1.0"; 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 Deore, FD-M590 Bottom bracket: Shimano BB-ES25 Chain: HG53 Headset: FSA No.11N 1 1/8" Threadless, Zerostack Pedals: Gt Slim Line Flat Pedal, Cast Alloy Grips: Dual Density, GT wing w/ waffle Seat clamp: All-Terra Alloy QR Nipples: Brass MSRP $1039 read from the product's own price block (under the model name) on GT's 2011 site product page "Avalanche 1.0 Disc - Ball burnished" (GT's 2011 site names it "Avalanche 1.0 Disc"; its spec table matches this chart column), captured 2011-05, inside the 2011 launch window (fix round 2026-10-21).

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