Roscoe 2026
Roscoe Gen
The 2026 Trek Roscoe Gen is a trail bike offered in 5 sizes, S to XL. Reach runs from 415 to 500 mm and stack from 604 to 684 mm. It ships with Shimano CUES U6000 GS and Bontrager Line TLR 30.
Every number on this page was confirmed by at least two independent sources. Where the catalog cannot yet stand behind a figure, the cell says so instead of guessing. Verified against trekbikes.com and at least one independent source.
Key facts
- Brand
- Trek
- Model
- Roscoe
- Model year
- 2026
- Frame
- Gen
- Type
- Trail
- Sizes
- S, M, ML, L, and XL
- Verified measurements
- 55 of 55
- Verified against
- trekbikes.com and at least one independent source
- Last checked
2026 Trek Roscoe Gen drawn to scale
2026 Trek Roscoe Gen geometry by size
| Measurement | S | M | ML | L | XL |
|---|---|---|---|---|---|
| Reach(mm) | 415mm | 440mm | 455mm | 470mm | 500mm |
| Stack(mm) | 604mm | 644mm | 648mm | 662mm | 684mm |
| Head tube angle(°) | 65° | 65° | 65° | 65° | 65° |
| Seat tube angle(°) | 73.1° | 73.1° | 74.1° | 74.1° | 75.1° |
| Effective top tube(mm) | 575mm | 611mm | 614mm | 632mm | 655mm |
| Chainstay length(mm) | 425mm | 430mm | 430mm | 430mm | 430mm |
| Wheelbase(mm) | 1139mm | 1186mm | 1203mm | 1224mm | 1265mm |
| BB drop(mm) | 45mm | 61mm | 61mm | 61mm | 61mm |
| Standover(mm) | 714mm | 735mm | 740mm | 740mm | 740mm |
| Seat tube length(mm) | 330mm | 375mm | 400mm | 425mm | 450mm |
| Head tube length(mm) | 90mm | 100mm | 105mm | 120mm | 145mm |
Last checked .
2026 Trek Roscoe stock build
7 Gen 4
23 parts. Specs shown only where two or more sources agree.
Frame
Suspension
Drivetrain
Wheels & Tires
Brakes
Cockpit
Seatpost & Saddle
8 Gen 4
24 parts. Specs shown only where two or more sources agree.
Frame
Suspension
Drivetrain
Wheels & Tires
Brakes
Cockpit
Seatpost & Saddle
Quick answers
What sizes does the 2026 Trek Roscoe Gen come in?
It comes in 5 sizes: S, M, ML, L, and XL.
What are the reach and stack of the 2026 Trek Roscoe Gen in size ML?
In size ML, reach is 455 mm and stack is 648 mm.
What is the head tube angle of the 2026 Trek Roscoe Gen?
The head tube angle is 65 degrees in every size.
What does the 2026 Trek Roscoe 7 Gen 4 ship with?
The stock build includes Trek Roscoe, RockShox Recon, Shimano CUES U6000, and Bontrager Line TLR 30.
Which years of the Trek Roscoe are in the catalog?
The catalog has the Trek Roscoe for 2026 and 2025.
Other years of the Roscoe
Ride a Roscoe? Keep it in your garage.
Add this bike to Quiver and it arrives with its geometry and stock parts already filled in. Swap parts as you change them, and your build sheet stays true.
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