MountainE-bikeVerified spec

2021 GT eForce Amp+

Lists today at $6,000 (2026-09)

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What a used one is worth

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New

$3,353

$2,165 to $4,039

Like new

$3,185

$2,057 to $3,838

Excellent

$3,017

$1,949 to $3,636

Good

$2,515

$1,624 to $3,030

Fair

$1,844

$1,191 to $2,222

For parts

$1,006

$650 to $1,212

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: SM, MD, LG, XL
Wheel size: 29
Current list price: $6,000 (as of 2026-09)

Drivetrain

Speeds: 12
Groupset: SRAM SX Eagle
Electronic: false

Build

Fork: RockShox Yari RC, 150mm, E-MTB, Motion Control, 42mm Offset
Stem: GT Alloy, 35mm
Tires: Maxxis Minion DHF, 29x2.6", 3C MaxxTerra, EXO+ / Maxxis Minion DHR II, 29x2.6", 3C MaxxTerra, EXO+
Brakes: Slate T4, 203/203mm Rotors
Saddle: WTB Silverado Sport
Wheels: WTB STX i30 TCS, 32h, Tubeless Ready; Formula, 15x110mm / Formula, 12x148mm, HG Freehub Body
Cassette: SRAM PG-1210, 11-50T
Crankset: FSA CK-752 EP8, 165mm, 34T
Seatpost: TranzX Dropper, 31.6mm, (S - 130mm, M - 150mm, L/XL - 170mm)
Shifters: SRAM SX Eagle, 12-Speed
Handlebar: GT Alloy Riser Bar, 20mm Rise, 780mm, 5° Up, 8° Back
Rear shock: RockShox Deluxe Select R, 185x55mm Trunnion
Travel rear mm: 150
Rear derailleur: SRAM SX Eagle
Travel front mm: 150

Motor and battery

Motor: Shimano DU-EP801
Battery wh: 630

Geometry

LG: Reach mm: 475; Stack mm: 617; Chainstay mm: 455; Wheelbase mm: 1259; Head angle deg: 65
MD: Reach mm: 450; Stack mm: 617; Chainstay mm: 455; Wheelbase mm: 1234; Head angle deg: 65
SM: Reach mm: 425; Stack mm: 617; Chainstay mm: 455; Wheelbase mm: 1209; Head angle deg: 65
XL: Reach mm: 500; Stack mm: 626; Chainstay mm: 455; Wheelbase mm: 1288; Head angle deg: 65

GT model code G65051M. Specs from GT's current US store page; dated by GT's code or the year the build first appeared on GT's store (2023-09). 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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