RoadVerified spec

2021 Trek Domane SL 4

Launched at $2,400

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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: Trek
Model family: Domane
Model year: 2021
Category: Road · endurance
Frame material: carbon
Sizes: 44, 47, 50, 52, 54, 56, 58, 60, 62
Wheel size: 700c
Launch MSRP (US): $2,400

Drivetrain

Speeds: 10
Groupset: Shimano Tiagra 4700
Electronic: false

Build

Fork: Domane SL carbon, tapered carbon steerer, internal brake routing, fender mounts, flat mount disc, 12x100mm thru axle
Stem: Bontrager Elite, 31.8mm, Blendr compatible, 7 degree, 60mm length (44); Bontrager Elite, 31.8mm, Blendr compatible, 7 degree, 70mm length (47); Bontrager Elite, 31.8mm, Blendr compatible, 7 degree, 80mm length (50); Bontrager Elite, 31.8mm, Blendr compatible, 7 degree, 90mm length (52/54); Bontrager Elite, 31.8mm, Blendr compatible, 7 degree, 100mm length (56/58); Bontrager Elite, 31.8mm, Blendr compatible, 7 degree, 110mm length (60/62)
Tires: Bontrager R1 Hard-Case Lite, wire bead, 60 tpi, 700x32mm
Brakes: Shimano Tiagra hydraulic disc, flat mount
Saddle: Bontrager Arvada Comp, steel rails, 138mm width
Cassette: Shimano Tiagra HG500, 12-28, 10 speed
Crankset: Praxis Alba M30, 50/34 (compact), 30mm spindle, 165mm length (44/47); Praxis Alba M30, 50/34 (compact), 30mm spindle, 170mm length (50/52); Praxis Alba M30, 50/34 (compact), 30mm spindle, 172.5mm length (54/56); Praxis Alba M30, 50/34 (compact), 30mm spindle, 175mm length (58/60/62)
Seatpost: Bontrager aluminum internal seatmast cap, 10mm offset, short length (44/47/50/52/54/56); Bontrager aluminum internal seatmast cap, 10mm offset, tall length (58/60/62)
Shifters: Shimano Tiagra R4725, short reach lever, 10 speed (44/47/50/52); Shimano Tiagra R4720, 10 speed (54/56/58/60/62)
Handlebar: Bontrager Comp VR-S, alloy, 31.8mm, 81mm reach, 118mm drop, 36cm width (44/47); Bontrager Comp VR-S, alloy, 31.8mm, 81mm reach, 118mm drop, 38cm width (50); Bontrager Comp VR-S, alloy, 31.8mm, 81mm reach, 118mm drop, 40cm width (52); Bontrager Comp VR-C, alloy, 31.8mm, 100mm reach, 124mm drop, 42cm width (54/56); Bontrager Comp VR-C, alloy, 31.8mm, 100mm reach, 124mm drop, 44cm width (58/60/62)
Weight kg: 9.87
Rear derailleur: Shimano Tiagra 4700, long cage, 34T max cog

Geometry

44: Reach mm: 360; Stack mm: 510; Head angle deg: 70.3
47: Reach mm: 364; Stack mm: 527; Head angle deg: 71
50: Reach mm: 368; Stack mm: 546; Head angle deg: 71.1
52: Reach mm: 371; Stack mm: 561; Head angle deg: 71.3
54: Reach mm: 374; Stack mm: 575; Head angle deg: 71.3
56: Reach mm: 377; Stack mm: 591; Head angle deg: 71.9
58: Reach mm: 380; Stack mm: 611; Head angle deg: 72
60: Reach mm: 383; Stack mm: 632; Head angle deg: 72.1
62: Reach mm: 386; Stack mm: 656; Head angle deg: 72.1

Price as shown on Trek's US site, 2020-06 capture. Sold across model years 2020-2021.

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