2020 Specialized Stumpjumper Pemberton LTD Edition 27.5 vs 2020 Specialized Stumpjumper ST Alloy 27.5
The Specialized Stumpjumper ST Alloy 27.5 size closest to your M is the M. Compare the M instead
What changes on the Specialized Stumpjumper ST Alloy 27.5
Compared with the Specialized Stumpjumper Pemberton LTD Edition 27.5 in M, the Specialized Stumpjumper ST Alloy 27.5 in XL places the top of the head tube 41 mm higher and 45 mm further forward, relative to the bottom bracket. Its wheelbase is 64 mm longer, which can contribute to stability at speed.
- Frame stack
- +41 mm
- Higher front end
- Frame reach
- +45 mm
- Longer frame reach
- Wheelbase
- +64 mm
- Longer: steadier at speed
- Head angle
- ±0.0°
- About the same head angle
- Chainstays
- ±0 mm
- About the same
The two frames
Specialized Stumpjumper Pemberton LTD Edition 27.5, MSpecialized Stumpjumper ST Alloy 27.5, XLDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Stumpjumper Pemberton LTD Edition 27.5 M | Specialized Stumpjumper ST Alloy 27.5 XL | Difference |
|---|---|---|---|
| Reach | 435mm | 480mm | +45 mm |
| Stack | 596mm | 637mm | +41 mm |
| Head tube angle | 65.5° | 65.5° | ±0.0° |
| Seat tube angle | 75° | 74.2° | −0.8° |
| Chainstay length | 432mm | 432mm | ±0 mm |
| Wheelbase | 1179mm | 1243mm | +64 mm |
| BB drop | 21mm | 21mm | ±0 mm |
| BB height | 336mm | 336mm | ±0 mm |
| Standover | 743mm | 770mm | +27 mm |
| Seat tube length | 410mm | 505mm | +95 mm |
| Fork length | 542mm | 542mm | ±0 mm |
| Head tube length | 110mm | 155mm | +45 mm |
Differences are the Specialized Stumpjumper ST Alloy 27.5 minus the Specialized Stumpjumper Pemberton LTD Edition 27.5. Full charts: 2020 Specialized Stumpjumper Pemberton LTD Edition 27.5, 2020 Specialized Stumpjumper ST Alloy 27.5.
Where each sits in its class
Specialized Stumpjumper Pemberton LTD Edition 27.5Specialized 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 Stumpjumper Pemberton LTD Edition 27.5Pemberton LTD Edition 27.5 | Specialized Stumpjumper ST Alloy 27.5 |
|---|---|---|
| Fork | Fox FLOAT Rhythm | not listed |
| Rear shock | Fox DHX2 Performance elite | not listed |
| Shifter | SRAM X01 Eagle | not listed |
| Derailleur | SRAM X01 Eagle | not listed |
| Cassette | SRAM GX Eagle | not listed |
| Chain | SRAM GX Eagle | not listed |
| Crankset | SRAM XX1 Eagle | not listed |
| Bottom bracket | SRAM DUB | not listed |
| Tire | Specialized Butcher, Specialized Eliminator | not listed |
| Hub | DT Swiss 350 | not listed |
| Rim | Roval Traverse | not listed |
| Brake | Magura MT7 | not listed |
| Stem | Specialized Deity | not listed |
| Grips | Specialized Deity | not listed |
| Seatpost | RockShox Reverb Stealth | not listed |
| Saddle | Specialized Henge Expert | not listed |
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