2019 Trek Stache vs 2018 Specialized Fuse Sport 6Fattie/29
The XL is the Specialized Fuse Sport 6Fattie/29 size closest to your XL Trek Stache. 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 Stache in XL, the Specialized Fuse Sport 6Fattie/29 in XL places the top of the head tube 4 mm lower and 8 mm further back, relative to the bottom bracket.
- Frame stack
- −4 mm
- Lower front end
- Frame reach
- −8 mm
- Shorter frame reach
- Wheelbase
- ±0 mm
- About the same
- Head angle
- +0.7°
- Steeper: sharper steering
- Chainstays
- +15 mm
- Longer: more planted
The two frames
Trek Stache, XLSpecialized Fuse Sport 6Fattie/29, XLDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Trek Stache XL | Specialized Fuse Sport 6Fattie/29 XL | Difference |
|---|---|---|---|
| Reach | 463 | 455mm | −8 mm |
| Stack | 654 | 650mm | −4 mm |
| Head tube angle | 67.8° | 68.5° | +0.7° |
| Seat tube angle | 72.3° | 74° | +1.7° |
| Effective top tube | 672 | 654mm | −18 mm |
| Chainstay length | 420 | 435mm | +15 mm |
| Wheelbase | 1172 | 1172mm | ±0 mm |
| BB drop | 68 | not listed | |
| BB height | 317 | 317mm | ±0 mm |
| Standover | 795 | 841mm | +46 mm |
| Seat tube length | 521 | 510mm | −11 mm |
| Head tube length | 110 | 130mm | +20 mm |
| Fork length | not listed | 520mm |
Differences are the Specialized Fuse Sport 6Fattie/29 minus the Trek Stache. Full charts: 2019 Trek Stache, 2018 Specialized Fuse Sport 6Fattie/29.
Where each sits in its class
Trek StacheSpecialized 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 Stache5 | Specialized Fuse Sport 6Fattie/29Sport 6Fattie/29 |
|---|---|---|
| Frame | Trek Alpha Platinum | not listed |
| Fork | Manitou Machete 32 Comp | SR Suntour XCR |
| Shifter | Shimano Deore M6000 | SRAM X5 |
| Derailleur | Shimano Deore M6000 | SRAM GX |
| Cassette | Shimano HG50 | not listed |
| Chain | KMC X10 | SRAM PC-1031 |
| Crankset | FSA Gamma Pro | SRAM NX |
| Bottom bracket | Trek PF92 | not listed |
| Tire | Bontrager XR2 Team Issue | Specialized Ground Control |
| Hub | Bontrager Boost110, Bontrager Boost148 | Specialized Stout 110, Specialized Stout 141 |
| Rim | Sun Ringlé Duroc 50 SL | Specialized Stout 38 27.5 |
| Brake | Shimano MT200 | Tektro Gemini |
| Stem | Bontrager Rhythm | not listed |
| Headset | FSA IS2 | not listed |
| Seatpost | Trek dropper post | not listed |
| Saddle | Bontrager Arvada | Specialized Henge Sport |
| 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



