MountainVerified spec

2021 GT Force Comp

Lists today at $3,500 (2026-09)

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What a used one is worth

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New

$1,956

$1,263 to $2,356

Like new

$1,858

$1,200 to $2,239

Excellent

$1,760

$1,137 to $2,121

Good

$1,467

$947 to $1,767

Fair

$1,076

$695 to $1,296

For parts

$587

$379 to $707

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

Overview

Brand: GT
Model family: Force
Model year: 2021
Category: Mountain · enduro
Frame material: aluminum
Sizes: XS, S, M, L
Wheel size: 29
Current list price: $3,500 (as of 2026-09)

Drivetrain

Speeds: 12
Groupset: Shimano Deore
Electronic: false

Build

Fork: Fox Float Performance 38, 170mm, 15x110mm Boost, 44mm Offset
Stem: GT Alloy
Tires: (F) Maxxis Minion DHF, 29 x 2.5", 3C MaxxTerra, EXO+ Casing, Tubeless Ready / (R) Maxxis Minion DHR II, 29 x 2.4", 3C MaxxTerra, EXO+ Casing, Tubeless Ready
Brakes: Shimano MT420, 4-Piston, 203/180mm RT30 Rotors
Saddle: Fabric Scoop Shallow Sport
Wheels: Stan's NoTubes Flow S1, 32h, Tubeless Ready; Shimano MT400B, 15x110mm, Centerlock / Shimano MT410B, 12x148mm, Centerlock
Cassette: Shimano Deore M6100, 10-51T
Crankset: Shimano MT511, 32T
Seatpost: GT Dropkick Dropper Post, 31.6, Internal Routing, 125mm (S, M), 150mm (L, XL)
Shifters: Shimano Deore M6100, 12-speed
Handlebar: GT Alloy Riser Bar, 780mm, 30mm Rise
Rear shock: Fox TBA 185x55mm Trunnion
Travel rear mm: 150
Rear derailleur: Shimano Deore M6100
Travel front mm: 170

Geometry

LG: Reach mm: 470; Stack mm: 629; Chainstay mm: 442; Wheelbase mm: 1254; Head angle deg: 64.6
MD: Reach mm: 445; Stack mm: 622; Chainstay mm: 442; Wheelbase mm: 1226; Head angle deg: 64.6
SM: Reach mm: 420; Stack mm: 615; Chainstay mm: 442; Wheelbase mm: 1198; Head angle deg: 64.5
XL: Reach mm: 495; Stack mm: 636; Chainstay mm: 442; Wheelbase mm: 1283; Head angle deg: 64.6

GT model code G23101U. Model year from the product code suffix on GT's page (_21). No first-party price capture inside the model year window was found; the observed price is recorded as a list price with its date.

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