MountainPartial spec

2021 Giant Trance X Advanced Pro 29 1

Lists today at $6,150 (2026-09)

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What a used one is worth

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New

$3,437

$2,219 to $4,140

Like new

$3,265

$2,108 to $3,933

Excellent

$3,093

$1,997 to $3,726

Good

$2,577

$1,664 to $3,105

Fair

$1,890

$1,221 to $2,277

For parts

$1,031

$666 to $1,242

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: carbon
Sizes: S, M, L, XL
Wheel size: 29
Current list price: $6,150 (as of 2026-09)

Drivetrain

Speeds: 12
Groupset: SRAM GX Eagle
Electronic: false

Build

Fork: Fox 36 Performance Elite, 150mm, GRIP2 damper, 15x110 Kabolt, 44mm offset, custom tuned for Giant
Stem: Giant Contact SL 35
Tires: [F] Maxxis Minion DHF, tubeless, 29x2.5, WT, 3C, MaxxTerra, EXO, TR [R] Maxxis Dissector, tubeless, 29x2.4, WT, 3C, MaxxTerra, EXO, TR
Brakes: SRAM G2 R hydraulic (F:200mm, R:180mm)
Saddle: Giant Romero SL, SST rails
Wheels: Giant TRX-2 29 WheelSystem, 30mm inner
Cassette: SRAM XG-1275 Eagle, 12-speed, 10x52
Crankset: Truvativ Descendent 6k Eagle, DUB Boost, 30t
Seatpost: Giant Contact Switch dropper with remote, 30.9
Shifters: SRAM GX Eagle
Handlebar: Giant Contact SLR Trail, composite, 35
Rear shock: Fox Float DPX2 Performance, 185/55, custom tuned for Giant
Travel rear mm: 135
Rear derailleur: SRAM GX 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

Last Giant US MSRP shown on the archived model-year page, observed 2026-09-21; not the launch MSRP (Giant changed this model year's price after launch). Price labels fixed 2026-09-27: moved $6,150 from msrp_usd to list_price_usd (as of 2026-09) and set msrp_usd to null per the Giant model-year price audit.

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