2020 Specialized Fuse Expert 29 vs 2018 Specialized Stumpjumper 27.5
The M is the Specialized Stumpjumper 27.5 size closest to your XS Specialized Fuse Expert 29. 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 Stumpjumper 27.5
Compared with the Specialized Fuse Expert 29 in XS, the Specialized Stumpjumper 27.5 in M places the top of the head tube 26 mm lower and 14 mm further forward, relative to the bottom bracket. Its wheelbase is 4 mm longer, which can contribute to stability at speed.
- Frame stack
- −26 mm
- Lower front end
- Frame reach
- +14 mm
- Longer frame reach
- Wheelbase
- +4 mm
- Longer: steadier at speed
- Head angle
- +0.5°
- Steeper: sharper steering
- Chainstays
- n/a
- One of the bikes has no number for this
The two frames
We can't draw these frames yet. The Specialized Fuse Expert 29 numbers we have for size XS are missing the chainstay length. The numbers below still compare.
Geometry side by side
| Measurement | Specialized Fuse Expert 29 XS | Specialized Stumpjumper 27.5 M | Difference |
|---|---|---|---|
| Reach | 400mm | 414mm | +14 mm |
| Stack | 625mm | 599mm | −26 mm |
| Head tube angle | 66.5° | 67° | +0.5° |
| Seat tube angle | 74° | 74° | ±0.0° |
| Wheelbase | 1122mm | 1126mm | +4 mm |
| Standover | 727mm | 748mm | +21 mm |
| Seat tube length | 340mm | 430mm | +90 mm |
| Fork length | 540mm | 542mm | +2 mm |
| Head tube length | 95mm | 115mm | +20 mm |
| Effective top tube | not listed | 587mm | |
| Chainstay length | not listed | 420mm | |
| BB drop | not listed | 18mm |
Differences are the Specialized Stumpjumper 27.5 minus the Specialized Fuse Expert 29. Full charts: 2020 Specialized Fuse Expert 29, 2018 Specialized Stumpjumper 27.5.
Where each sits in its class
Specialized Fuse Expert 29Specialized Stumpjumper 27.5
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 29Expert 29 | Specialized Stumpjumper 27.5S-Works 27.5 |
|---|---|---|
| Fork | RockShox RL Gold | Öhlins RXF 36 |
| Shifter | SRAM NX Eagle | SRAM XX1 Eagle |
| Derailleur | SRAM NX Eagle | SRAM XX1 Eagle |
| Cassette | SRAM NX Eagle | SRAM X01 Eagle |
| Chain | SRAM NX Eagle | SRAM X01 Eagle |
| Crankset | SRAM NX Eagle | SRAM XX1 Eagle |
| Bottom bracket | SRAM DUB | not listed |
| Tire | Specialized Butcher, Specialized Purgatory | Specialized Butcher |
| Brake | SRAM TRL | SRAM Guide RS |
| Handlebar | Specialized Stout | not listed |
| Stem | Specialized Stout | Syntace F109 |
| Seatpost | TranzX Dropper | Specialized Command Post IRcc |
| Saddle | Specialized Bridge | Specialized Henge Expert |
| Rear shock | not listed | Öhlins STX |
| Hub | not listed | Roval Traverse SL |
| Rim | not listed | Roval Traverse SL 27.5 |
| Grips | not listed | Specialized Sip Grip |
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