2017 Trek Stache 9.8 vs 2015 Specialized Stumpjumper FSR EVO 650b
The Specialized Stumpjumper FSR EVO 650b size closest to your M is the M. Compare the M instead
What changes on the Specialized Stumpjumper FSR EVO 650b
Compared with the Trek Stache 9.8 in M, the Specialized Stumpjumper FSR EVO 650b in S places the top of the head tube 28 mm lower and 21 mm further back, relative to the bottom bracket. Its wheelbase is 5 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- −28 mm
- Lower front end
- Frame reach
- −21 mm
- Shorter frame reach
- Wheelbase
- −5 mm
- Shorter: quicker to change direction
- Head angle
- −0.4°
- Slacker: calmer steering
- Chainstays
- +15 mm
- Longer: more planted
The two frames
Trek Stache 9.8, MSpecialized Stumpjumper FSR EVO 650b, SDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Trek Stache 9.8 M | Specialized Stumpjumper FSR EVO 650b S | Difference |
|---|---|---|---|
| Reach | 422 | 401mm | −21 mm |
| Stack | 630 | 602mm | −28 mm |
| Head tube angle | 68.4° | 68° | −0.4° |
| Seat tube angle | 73.5° | 74° | +0.5° |
| Effective top tube | 608 | 568mm | −40 mm |
| Chainstay length | 420 | 435mm | +15 mm |
| Wheelbase | 1112 | 1107mm | −5 mm |
| BB drop | 72 | not listed | |
| BB height | 328 | 327mm | −1 mm |
| Standover | 791 | 738mm | −53 mm |
| Seat tube length | 419 | 396mm | −23 mm |
| Head tube length | 90 | not listed |
Differences are the Specialized Stumpjumper FSR EVO 650b minus the Trek Stache 9.8. Full charts: 2017 Trek Stache 9.8, 2015 Specialized Stumpjumper FSR EVO 650b.
Where each sits in its class
Trek Stache 9.8Specialized Stumpjumper FSR EVO 650b
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 Stumpjumper FSR EVO 650bS-Works EVO 650b |
|---|---|---|
| Frame | Trek OCLV | not listed |
| Fork | RockShox Pike RC | RockShox Pike RCT3 |
| Shifter | SRAM X1 | SRAM XX1 |
| Derailleur | SRAM X01 | SRAM XX1 |
| Cassette | SRAM XG-1175 | SRAM XX1 |
| Chain | SRAM PC1110 | SRAM PC-XX1 |
| Crankset | SRAM X1 | not listed |
| Bottom bracket | Trek PF92 | not listed |
| Wheelset | Bontrager Line Pro 40 | not listed |
| Tire | Bontrager Chupacabra | Specialized Butcher Control, Specialized Slaughter Control |
| Brake | SRAM Guide RS | Shimano XTR |
| Handlebar | Bontrager Line | not listed |
| Stem | Bontrager Line | Syntace F109 |
| Seatpost | Bontrager Line 125 | Specialized Command Post IR |
| Saddle | Bontrager Montrose Elite | Specialized Henge Expert |
| Rear shock | not listed | Fox FLOAT CTD Factory |
| Hub | not listed | Roval Traverse |
| Rim | not listed | Roval Traverse SL Fattie |
| Grips | not listed | Specialized Sip Grip |
| Dropper post | not listed | Specialized Command Post IR |
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