2019 Specialized Fuse Expert 27.5+ vs 2019 Trek Stache AL Frameset
The L is the Trek Stache AL Frameset size closest to your L Specialized Fuse Expert 27.5+. 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 Trek Stache AL Frameset
Compared with the Specialized Fuse Expert 27.5+ in L, the Trek Stache AL Frameset in L places the top of the head tube 15 mm higher and 5 mm further forward, relative to the bottom bracket. Its wheelbase is 12 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- +15 mm
- Higher front end
- Frame reach
- +5 mm
- Longer frame reach
- Wheelbase
- −12 mm
- Shorter: quicker to change direction
- Head angle
- +0.3°
- About the same head angle
- Chainstays
- −10 mm
- Shorter: livelier
The two frames
Specialized Fuse Expert 27.5+, LTrek Stache AL Frameset, LDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Fuse Expert 27.5+ L | Trek Stache AL Frameset L | Difference |
|---|---|---|---|
| Reach | 440mm | 445 | +5 mm |
| Stack | 629mm | 644 | +15 mm |
| Head tube angle | 67.5° | 67.8° | +0.3° |
| Seat tube angle | 73° | 73.5° | +0.5° |
| Effective top tube | 633mm | 643 | +10 mm |
| Chainstay length | 430mm | 420 | −10 mm |
| Wheelbase | 1161mm | 1149 | −12 mm |
| BB drop | 51mm | 65 | +14 mm |
| BB height | 312mm | 322 | +10 mm |
| Standover | 806mm | 782 | −24 mm |
| Seat tube length | 470mm | 470 | ±0 mm |
| Fork length | 530mm | not listed | |
| Head tube length | 115mm | 100 | −15 mm |
Differences are the Trek Stache AL Frameset minus the Specialized Fuse Expert 27.5+. Full charts: 2019 Specialized Fuse Expert 27.5+, 2019 Trek Stache AL Frameset.
Where each sits in its class
Specialized Fuse Expert 27.5+Trek Stache AL Frameset
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 | Specialized Fuse Expert 27.5+Expert 27.5+ | Trek Stache AL FramesetAL Frameset |
|---|---|---|
| Fork | RockShox Reba RL | not listed |
| Shifter | SRAM NX Eagle | not listed |
| Derailleur | SRAM NX Eagle | not listed |
| Cassette | SRAM NX Eagle | not listed |
| Chain | SRAM NX Eagle | not listed |
| Crankset | SRAM NX Eagle | not listed |
| Bottom bracket | SRAM DUB | not listed |
| Tire | Specialized Purgatory | not listed |
| Rim | Specialized Stout | not listed |
| Brake | SRAM Level T, SRAM Level | not listed |
| Handlebar | Specialized Stout | not listed |
| Grips | Specialized Sip Grip | not listed |
| Dropper post | Specialized TransX Dropper | not listed |
| Seatpost | Specialized Trans-X Dropper | not listed |
| Saddle | Specialized Henge Comp | not listed |
| Frame | not listed | Trek Alpha Platinum |
| Headset | not listed | FSA IS2 |
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