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2026 Trek

Roscoe Gen 4 Frameset

A 27.5″ / 29″ aluminum frame trail frameset.

Manufacturer Price

$499$699
Weight5.0 lbs (frame)  
FrameAluminum
Wheels27.5″ / 29″
View on trekbikes.comLearn about Trek
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Insights
Sizing
15.5"

5'1" – 5'6"

17.5"

5'4" – 5'10"

18.5"

5'8" – 5'11"

19.5"

5'9" – 6'3"

21.5"

6'1" – 6'5"

Rider Fit Notes

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Price History
Reviews
99 Spokes
Did Trek Build the Perfect Hardtail? | Roscoe Gen 4 Review

Jan 2026

The new 4th gen Roscoe has more travel and more aggressive geometry then any hardtail Trek's ever made. Pair that with some ...

Watch Review

Bikerumor
All New Trek Roscoe Gen 4 Hardtail Looks Like a Hoot

Jul 2025 · Jeremy Benson

Trek redesigns its popular trail-oriented Roscoe hardtail, giving it a new look, more fork travel, and an on-frame storage bag included.

Read Review

Outdoor Gear Lab
Trek Roscoe 7

Aug 2023 · Pat Donahue

The Trek Roscoe 7 is an adaptable and well-rounded hardtail mountain bike that is competent in most of situations. Climbing abilities were rock solid and...

Highs
  • A versatile bike that is competent in a variety of situations

  • 2.6-inch tires

  • A generally solid spec

Lows
  • Shimano shifter issues

  • Not suited for chunky trails

  • Can feel twitchy at high speeds

Read Review

NSMB
Roscoe 7 - Trek's Best Looking Bike Is 1650 USD (1880 CAD), Complete!

Mar 2023

The Trek Roscoe 7 is a solidly priced, Deore M6100 equipped hardtail with an awesome appearance in any of its three livery choices.

Read Review

Geometry
Specs
Build
Frame

Alpha Platinum Aluminum, tapered head tube, ZS headset, internal derailleur & dropper post routing, ISCG 05, threaded BB, UDH, 148x12mm thru axle

BB StandardBSA, 73mm, Threaded

Hanger StandardUDH

Tire Clearance2.6"

ColorLava

Bottom Bracket

BSA, 73mm, threaded

Headset

FSA Orbit, sealed cartridge bearing, 1-1/8'' top, 1.5'' bottom, 1.5 crown

Wheels
Tires

Frame: 29x2.60", Fork: See manufacturer

Rider Notes
Riders Also Viewed

First added August 9

Last updated June 28