2017 Specialized Stumpjumper FSR Expert Carbon 650b vs 2018 Specialized Stumpjumper 27.5 Frameset
The XL is the Specialized Stumpjumper 27.5 Frameset size closest to your XL Specialized Stumpjumper FSR Expert Carbon 650b. 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 Frameset
Compared with the Specialized Stumpjumper FSR Expert Carbon 650b in XL, the Specialized Stumpjumper 27.5 Frameset in XL places the top of the head tube at about the same height and about as far forward, relative to the bottom bracket.
- Frame stack
- ±0 mm
- About the same height
- Frame reach
- ±0 mm
- About the same reach
- Wheelbase
- ±0 mm
- About the same
- Head angle
- ±0.0°
- About the same head angle
- Chainstays
- ±0 mm
- About the same
The two frames
Specialized Stumpjumper FSR Expert Carbon 650b, XLSpecialized Stumpjumper 27.5 Frameset, XLDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Stumpjumper FSR Expert Carbon 650b XL | Specialized Stumpjumper 27.5 Frameset XL | Difference |
|---|---|---|---|
| Reach | 464mm | 464mm | ±0 mm |
| Stack | 617mm | 617mm | ±0 mm |
| Head tube angle | 67° | 67° | ±0.0° |
| Seat tube angle | 74° | 74° | ±0.0° |
| Effective top tube | 646mm | 646mm | ±0 mm |
| Chainstay length | 420mm | 420mm | ±0 mm |
| Wheelbase | 1184mm | 1184mm | ±0 mm |
| BB drop | 18mm | 18mm | ±0 mm |
| Standover | 764mm | 764mm | ±0 mm |
| Seat tube length | 523mm | 523mm | ±0 mm |
| Fork length | 542mm | 542mm | ±0 mm |
| Head tube length | 125mm | 95mm | −30 mm |
Differences are the Specialized Stumpjumper 27.5 Frameset minus the Specialized Stumpjumper FSR Expert Carbon 650b. Full charts: 2017 Specialized Stumpjumper FSR Expert Carbon 650b, 2018 Specialized Stumpjumper 27.5 Frameset.
Where each sits in its class
Specialized Stumpjumper FSR Expert Carbon 650bSpecialized Stumpjumper 27.5 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 Stumpjumper FSR Expert Carbon 650bExpert Carbon 650b | Specialized Stumpjumper 27.5 FramesetS-Works Frameset |
|---|---|---|
| Fork | RockShox Pike RC 27.5 | not listed |
| Rear shock | RockShox Monarch RT3 | Öhlins STX |
| Shifter | SRAM GX | not listed |
| Derailleur | SRAM X1 | not listed |
| Cassette | SRAM XG-1150 | not listed |
| Chain | SRAM PC-1110 | not listed |
| Crankset | Race Face Aeffect | not listed |
| Tire | Specialized Butcher, Specialized Slaughter | not listed |
| Hub | Roval Traverse | not listed |
| Rim | Roval Traverse 650 | not listed |
| Brake | SRAM Guide R | not listed |
| Grips | Specialized Sip Grip | not listed |
| Dropper post | Specialized Command Post IRcc | not listed |
| Seatpost | Specialized Command Post IRcc | not listed |
| Saddle | Specialized Henge Comp | not listed |
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