RoadPartial spec

2021 Giant Propel Advanced Disc 1

Lists today at $4,980 (2026-09)

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What a used one is worth

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New

$2,783

$1,797 to $3,353

Like new

$2,644

$1,707 to $3,185

Excellent

$2,504

$1,617 to $3,017

Good

$2,087

$1,348 to $2,515

Fair

$1,531

$988 to $1,844

For parts

$835

$539 to $1,006

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

Overview

Brand: Giant
Model family: Propel
Model year: 2021
Category: Road · aero
Frame material: carbon
Sizes: XS, S, M, ML, L, XL
Wheel size: 700c
Current list price: $4,980 (as of 2026-09)

Drivetrain

Speeds: 11
Groupset: Shimano Ultegra
Electronic: false

Build

Fork: Advanced-Grade Composite, hybrid OverDrive steerer, disc
Stem: Giant Contact SL Aero
Tires: Giant Gavia AC 1, tubeless, 700x25c, folding
Brakes: Shimano Ultegra hydraulic (F:160mm, R:140mm)
Saddle: Giant Approach, UniClip accessory mount
Wheels: Giant SLR 2 Carbon Disc WheelSystem ( F:42mm, R:65mm)
Cassette: Shimano Ultegra, 11-speed, 11x30
Crankset: Shimano Ultegra, 36/52
Seatpost: Giant Vector, composite
Shifters: Shimano Ultegra
Handlebar: Giant Contact SL Aero
Rear derailleur: Shimano Ultegra

Geometry

L: Reach mm: 402; Stack mm: 581; Chainstay mm: 405; Wheelbase mm: 1007; Head angle deg: 73; Seat angle deg: 73
M: Reach mm: 383; Stack mm: 545; Chainstay mm: 405; Wheelbase mm: 976; Head angle deg: 73; Seat angle deg: 73
S: Reach mm: 378; Stack mm: 529; Chainstay mm: 405; Wheelbase mm: 970; Head angle deg: 72.5; Seat angle deg: 73.5
ML: Reach mm: 398; Stack mm: 562; Chainstay mm: 405; Wheelbase mm: 997; Head angle deg: 73; Seat angle deg: 73
XL: Reach mm: 412; Stack mm: 595; Chainstay mm: 405; Wheelbase mm: 1021; Head angle deg: 73; Seat angle deg: 72
XS: Reach mm: 372; Stack mm: 517; Chainstay mm: 405; Wheelbase mm: 972; Head angle deg: 71; Seat angle deg: 74.5

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 $4,980 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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