2020 Trek Stache vs 2018 Specialized Fuse Sport 6Fattie/29
The S is the Specialized Fuse Sport 6Fattie/29 size closest to your S 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 S, the Specialized Fuse Sport 6Fattie/29 in S places the top of the head tube 15 mm lower and 6 mm further forward, relative to the bottom bracket. Its wheelbase is 12 mm longer, which can contribute to stability at speed.
- Frame stack
- −15 mm
- Lower front end
- Frame reach
- +6 mm
- Longer frame reach
- Wheelbase
- +12 mm
- Longer: steadier at speed
- Head angle
- +0.6°
- Steeper: sharper steering
- Chainstays
- +15 mm
- Longer: more planted
The two frames
Trek Stache, SSpecialized Fuse Sport 6Fattie/29, SDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Trek Stache S | Specialized Fuse Sport 6Fattie/29 S | Difference |
|---|---|---|---|
| Reach | 389 | 395mm | +6 mm |
| Stack | 637 | 622mm | −15 mm |
| Head tube angle | 67.9° | 68.5° | +0.6° |
| Seat tube angle | 72.4° | 73° | +0.6° |
| Effective top tube | 590 | 585mm | −5 mm |
| Chainstay length | 420 | 435mm | +15 mm |
| Wheelbase | 1089 | 1101mm | +12 mm |
| BB drop | 68 | not listed | |
| BB height | 317 | 317mm | ±0 mm |
| Standover | 775 | 755mm | −20 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. Full charts: 2020 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 Stache7 | Specialized Fuse Sport 6Fattie/29Sport 6Fattie/29 |
|---|---|---|
| Frame | Trek Alpha Platinum | not listed |
| Fork | RockShox Yari RL | SR Suntour XCR |
| Shifter | SRAM SX Eagle | SRAM X5 |
| Derailleur | SRAM NX Eagle | SRAM GX |
| Cassette | SRAM SX Eagle | not listed |
| Chain | SRAM SX Eagle | SRAM PC-1031 |
| Crankset | SRAM SX Eagle | SRAM NX |
| Bottom bracket | SRAM DUB | not listed |
| Pedals | VP 536 | not listed |
| Tire | Bontrager XR4 Team Issue | Specialized Ground Control |
| Rim | Sun Ringlé Duroc 50 SL | Specialized Stout 38 27.5 |
| Stem | Bontrager Rhythm | not listed |
| Headset | FSA IS2 | not listed |
| Seatpost | TranzX JD-YSP18 | not listed |
| Saddle | Bontrager Arvada | Specialized Henge Sport |
| Hub | not listed | Specialized Stout 110, Specialized Stout 141 |
| Brake | not listed | Tektro Gemini |
| Handlebar | not listed | Specialized Stout |
| Grips | not listed | Specialized Sip Grip |
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