2019 Specialized Enduro 29 vs 2020 Specialized Stumpjumper ST Alloy 27.5
The XL is the Specialized Stumpjumper ST Alloy 27.5 size closest to your XL Specialized Enduro 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 ST Alloy 27.5
Compared with the Specialized Enduro 29 in XL, the Specialized Stumpjumper ST Alloy 27.5 in XL places the top of the head tube 4 mm higher and 3 mm further back, relative to the bottom bracket.
- Frame stack
- +4 mm
- Higher front end
- Frame reach
- −3 mm
- Shorter frame reach
- Wheelbase
- −2 mm
- About the same
- Head angle
- ±0.0°
- About the same head angle
- Chainstays
- −1 mm
- About the same
The two frames
Specialized Enduro 29, XLSpecialized Stumpjumper ST Alloy 27.5, XLDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Enduro 29 XL | Specialized Stumpjumper ST Alloy 27.5 XL | Difference |
|---|---|---|---|
| Reach | 483mm | 480mm | −3 mm |
| Stack | 633mm | 637mm | +4 mm |
| Head tube angle | 65.5mm | 65.5° | ±0.0° |
| Seat tube angle | 76.3° | 74.2° | −2.1° |
| Effective top tube | 637mm | not listed | |
| Chainstay length | 433mm | 432mm | −1 mm |
| Wheelbase | 1245mm | 1243mm | −2 mm |
| BB drop | 19mm | 21mm | +2 mm |
| BB height | 346mm | 336mm | −10 mm |
| Standover | 799mm | 770mm | −29 mm |
| Seat tube length | 521mm | 505mm | −16 mm |
| Fork length | 569mm | 542mm | −27 mm |
| Head tube length | 125mm | 155mm | +30 mm |
Differences are the Specialized Stumpjumper ST Alloy 27.5 minus the Specialized Enduro 29. Full charts: 2019 Specialized Enduro 29, 2020 Specialized Stumpjumper ST Alloy 27.5.
Where each sits in its class
Specialized Enduro 29Specialized Stumpjumper ST Alloy 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 Enduro 29S-Works 29 | Specialized Stumpjumper ST Alloy 27.5 |
|---|---|---|
| Fork | Fox Float 36 Factory | not listed |
| Rear shock | Fox Float X2 Factory | not listed |
| Shifter | SRAM XX1 Eagle | not listed |
| Derailleur | SRAM XX1 Eagle | not listed |
| Cassette | SRAM X01 Eagle | not listed |
| Chain | SRAM XX1 Eagle | not listed |
| Crankset | SRAM XX1 Eagle | not listed |
| Bottom bracket | SRAM DUB | not listed |
| Tire | Specialized Butcher | not listed |
| Hub | Roval Traverse SL | not listed |
| Rim | Roval Traverse SL 29 | not listed |
| Brake | SRAM Code RSC | not listed |
| Grips | Specialized Sensus | not listed |
| Seatpost | Specialized Command Post Wu | not listed |
| Saddle | Specialized Phenom Expert | not listed |
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