2019 Trek Roscoe vs 2018 Specialized Fuse Sport 6Fattie/29
The XL is the Specialized Fuse Sport 6Fattie/29 size closest to your XL Trek Roscoe. We match frame stack and reach. This is a geometry comparison, not a fit recommendation; stem, spacers, handlebars and saddle setup also affect your riding position.
What changes on the Specialized Fuse Sport 6Fattie/29
Compared with the Trek Roscoe in XL, the Specialized Fuse Sport 6Fattie/29 in XL places the top of the head tube 14 mm higher and about as far forward, relative to the bottom bracket. Its wheelbase is 4 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- +14 mm
- Higher front end
- Frame reach
- +2 mm
- About the same reach
- Wheelbase
- −4 mm
- Shorter: quicker to change direction
- Head angle
- +0.2°
- About the same head angle
- Chainstays
- −3 mm
- Shorter: livelier
The two frames
Trek Roscoe, XLSpecialized Fuse Sport 6Fattie/29, XLDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Trek Roscoe XL | Specialized Fuse Sport 6Fattie/29 XL | Difference |
|---|---|---|---|
| Reach | 453 | 455mm | +2 mm |
| Stack | 636 | 650mm | +14 mm |
| Head tube angle | 68.3° | 68.5° | +0.2° |
| Seat tube angle | 71.0° | 74° | +3.0° |
| Effective top tube | 659 | 654mm | −5 mm |
| Chainstay length | 438 | 435mm | −3 mm |
| Wheelbase | 1176 | 1172mm | −4 mm |
| BB drop | 58 | not listed | |
| BB height | 318 | 317mm | −1 mm |
| Standover | 753 | 841mm | +88 mm |
| Seat tube length | 521 | 510mm | −11 mm |
| Head tube length | 120 | 130mm | +10 mm |
| Fork length | not listed | 520mm |
Differences are the Specialized Fuse Sport 6Fattie/29 minus the Trek Roscoe. Full charts: 2019 Trek Roscoe, 2018 Specialized Fuse Sport 6Fattie/29.
Where each sits in its class
Trek RoscoeSpecialized Fuse Sport 6Fattie/29
Each bike is ranked against the other trail bikes on Quiver, on frame geometry alone. Not your hand position or ride feel.
What each ships with
The stock build of each bike's first listed trim. Parts that match are dimmed.
| Part | Trek Roscoe20 | Specialized Fuse Sport 6Fattie/29Sport 6Fattie/29 |
|---|---|---|
| Frame | Trek Dialed | not listed |
| Fork | Trek Dialed 20 | SR Suntour XCR |
| Shifter | Shimano Acera M310 | SRAM X5 |
| Derailleur | Shimano Tourney TX80 | SRAM GX |
| Cassette | Trek SunRun | not listed |
| Chain | KMC Z51 | SRAM PC-1031 |
| Tire | Trek Cheng-Shin | Specialized Ground Control |
| Hub | Formula DC20, Formula D22 | Specialized Stout 110, Specialized Stout 141 |
| Brake | Tektro M280 | Tektro Gemini |
| Saddle | Trek Dialed 20 | Specialized Henge Sport |
| Crankset | not listed | SRAM NX |
| Rim | not listed | Specialized Stout 38 27.5 |
| Handlebar | not listed | Specialized Stout |
| Grips | not listed | Specialized Sip Grip |
Know what is on every bike.
Add your bike to Quiver. Keep its parts, setup, and service history together, then share your build.
Explore the app
