2017 Trek Stache 9.8 vs 2018 Specialized Fuse Sport 6Fattie/29
The S is the Specialized Fuse Sport 6Fattie/29 size closest to your S Trek Stache 9.8. 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 9.8 in S, the Specialized Fuse Sport 6Fattie/29 in S places the top of the head tube 8 mm lower and about as far forward, relative to the bottom bracket. Its wheelbase is 16 mm longer, which can contribute to stability at speed.
- Frame stack
- −8 mm
- Lower front end
- Frame reach
- +2 mm
- About the same reach
- Wheelbase
- +16 mm
- Longer: steadier at speed
- Head angle
- +0.1°
- About the same head angle
- Chainstays
- +15 mm
- Longer: more planted
The two frames
Trek Stache 9.8, SSpecialized Fuse Sport 6Fattie/29, SDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Trek Stache 9.8 S | Specialized Fuse Sport 6Fattie/29 S | Difference |
|---|---|---|---|
| Reach | 393 | 395mm | +2 mm |
| Stack | 630 | 622mm | −8 mm |
| Head tube angle | 68.4° | 68.5° | +0.1° |
| Seat tube angle | 73.5° | 73° | −0.5° |
| Effective top tube | 580 | 585mm | +5 mm |
| Chainstay length | 420 | 435mm | +15 mm |
| Wheelbase | 1085 | 1101mm | +16 mm |
| BB drop | 72 | not listed | |
| BB height | 328 | 317mm | −11 mm |
| Standover | 778 | 755mm | −23 mm |
| Seat tube length | 394 | 373mm | −21 mm |
| Head tube length | 90 | 100mm | +10 mm |
| Fork length | not listed | 520mm |
Differences are the Specialized Fuse Sport 6Fattie/29 minus the Trek Stache 9.8. Full charts: 2017 Trek Stache 9.8, 2018 Specialized Fuse Sport 6Fattie/29.
Where each sits in its class
Trek Stache 9.8Specialized 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 Stache 9.89.8 | Specialized Fuse Sport 6Fattie/29Sport 6Fattie/29 |
|---|---|---|
| Frame | Trek OCLV | not listed |
| Fork | RockShox Pike RC | SR Suntour XCR |
| Shifter | SRAM X1 | SRAM X5 |
| Derailleur | SRAM X01 | SRAM GX |
| Cassette | SRAM XG-1175 | not listed |
| Chain | SRAM PC1110 | SRAM PC-1031 |
| Crankset | SRAM X1 | SRAM NX |
| Bottom bracket | Trek PF92 | not listed |
| Wheelset | Bontrager Line Pro 40 | not listed |
| Tire | Bontrager Chupacabra | Specialized Ground Control |
| Brake | SRAM Guide RS | Tektro Gemini |
| Handlebar | Bontrager Line | Specialized Stout |
| Stem | Bontrager Line | not listed |
| Seatpost | Bontrager Line 125 | not listed |
| Saddle | Bontrager Montrose Elite | Specialized Henge Sport |
| Hub | not listed | Specialized Stout 110, Specialized Stout 141 |
| Rim | not listed | Specialized Stout 38 27.5 |
| Grips | not listed | Specialized Sip Grip |
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