MountainVerified spec

2021 Giant Trance X 29 3

Launched at $2,400Lists today at $2,700 (2026-09)

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What a used one is worth

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New

$1,341

$866 to $1,616

Like new

$1,274

$823 to $1,535

Excellent

$1,207

$779 to $1,454

Good

$1,006

$650 to $1,212

Fair

$738

$476 to $889

For parts

$402

$260 to $485

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

Overview

Brand: Giant
Model family: Trance
Model year: 2021
Category: Mountain · trail
Frame material: aluminum
Sizes: S, M, L, XL
Wheel size: 29
Launch MSRP (US): $2,400
Current list price: $2,700 (as of 2026-09)

Drivetrain

Speeds: 12
Groupset: SRAM SX Eagle
Electronic: false

Build

Fork: RockShox 35 Gold RL, 150mm, Boost 15x110 Maxle Stealth, 44mm offset, custom tuned for Giant
Stem: Giant Contact SL 35
Tires: [F] Maxxis Minion DHF, tubeless, 29x2.5, WT, EXO, TR [R] Maxxis Dissector, tubeless, 29x2.4, WT, EXO, TR
Brakes: Shimano MT420 hydraulic 4-piston (F:203mm, R:180mm)
Saddle: Giant Romero
Wheels: Giant AM 29 wheelset, alloy, 30mm inner
Cassette: SRAM SX Eagle, 12-speed, 11x50
Crankset: SRAM SX Eagle, DUB Boost, 30t
Seatpost: Giant Contact Switch dropper with remote, 30.9
Shifters: SRAM SX Eagle
Handlebar: Giant Contact Trail, 35
Rear shock: Fox Float DPS Performance, 185/55, custom tuned for Giant*
Travel rear mm: 135
Rear derailleur: SRAM SX Eagle
Travel front mm: 150

Geometry

L: Reach mm: 486; Stack mm: 631; Chainstay mm: 438; Wheelbase mm: 1239; Head angle deg: 65.5; Seat angle deg: 77.2
M: Reach mm: 456; Stack mm: 621; Chainstay mm: 438; Wheelbase mm: 1205; Head angle deg: 65.5; Seat angle deg: 77.2
S: Reach mm: 426; Stack mm: 617; Chainstay mm: 438; Wheelbase mm: 1173; Head angle deg: 65.5; Seat angle deg: 77.2
XL: Reach mm: 510; Stack mm: 640; Chainstay mm: 438; Wheelbase mm: 1268; Head angle deg: 65.5; Seat angle deg: 77.2

Price labels fixed 2026-09-27: msrp_usd set to the launch price $2,400 from a launch-season web.archive.org capture of the Giant US product page dated 2020-10-29, and the $2,700 shown on the archived model-year page (observed 2026-09-21) moved to list_price_usd (as of 2026-09).

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