MountainVerified spec

2026 Trek Roscoe 8 Gen 4

Launched at $2,400

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What a used one is worth

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New

$2,400

$2,400 to $2,400

Like new

$2,280

$2,280 to $2,280

Excellent

$2,160

$2,160 to $2,160

Good

$1,800

$1,800 to $1,800

Fair

$1,320

$1,320 to $1,320

For parts

$720

$720 to $720

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

Overview

Brand: Trek
Model family: Roscoe
Model year: 2026
Category: Mountain · trail
Frame material: aluminum
Sizes: S, M, ML, L, XL
Wheel size: 27.5/29
Wheel setup: by frame size
Launch MSRP (US): $2,400

Drivetrain

Speeds: 12
Groupset: Shimano Deore
Electronic: false

Build

Fork: Fox Rhythm 36, Float EVOL air spring, GRIP damper, tapered steerer, 44mm offset, Boost110, 15mm Kabolt axle, 150mm travel (S); Fox Rhythm 36, Float EVOL air spring, GRIP damper, tapered steerer, 44mm offset, Boost110, 15mm Kabolt X axle, 150mm travel (M, ML, L, XL)
Stem: Bontrager Comp, 31.8mm, 7 degree, 35mm length (S); Bontrager Comp, 31.8mm, Blendr compatible, 7 degree, 50mm length (M, ML, L, XL)
Tires: Bontrager Brevard Pro XR, Tubeless Ready, dual compound, aramid bead, 60 tpi, 27.5x2.50'' (S); Bontrager Brevard Pro XR, Tubeless Ready, dual compound, aramid bead, 60 tpi, 29x2.50'' (M, ML, L, XL)
Brakes: Shimano 4-piston hydraulic disc, M6100 lever, M6120 caliper
Saddle: Bontrager Verse P3, steel rails
Wheels: Bontrager Line TLR 30, 27.5'' Tubeless Ready, 28-hole, Presta valve; Bontrager Line TLR 30, 29'' Tubeless Ready, 28-hole, Presta valve
Cassette: Shimano Deore M6100, 10-51, 12 speed
Crankset: Shimano MT512, 30T ring, 55mm chainline, 170mm length
Seatpost: TranzX JD-YSI34, 150mm travel, internal routing, 31.6mm, 456mm length (S); TranzX JD-YSI34, 170mm travel, internal routing, 31.6mm, 500mm length (M, ML); TranzX JD-YSI34, 200mm travel, internal routing, 31.6mm, 565mm length (L, XL)
Shifters: Shimano Deore M6100, 12 speed
Handlebar: Bontrager alloy, 31.8mm, 15mm rise, 750mm width (S); Bontrager Comp, alloy, 31.8mm, 40mm rise, 780mm width (M, ML, L, XL)
Weight kg: 14.18
Rear derailleur: Shimano Deore M6100, long cage
Travel front mm: 150

Geometry

15.5: Reach mm: 415; Stack mm: 604; Chainstay mm: 425; Wheelbase mm: 1139; Head angle deg: 65; Seat angle deg: 75
17.5: Reach mm: 440; Stack mm: 644; Chainstay mm: 430; Wheelbase mm: 1186; Head angle deg: 65; Seat angle deg: 75
18.5: Reach mm: 455; Stack mm: 648; Chainstay mm: 430; Wheelbase mm: 1203; Head angle deg: 65; Seat angle deg: 76
19.5: Reach mm: 470; Stack mm: 662; Chainstay mm: 430; Wheelbase mm: 1224; Head angle deg: 65; Seat angle deg: 76
21.5: Reach mm: 500; Stack mm: 684; Chainstay mm: 430; Wheelbase mm: 1265; Head angle deg: 65; Seat angle deg: 77

Price as shown on Trek's US site, 2025-08 capture.

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