2018 Specialized Stumpjumper Expert 11m 27.5 vs 2017 Specialized Stumpjumper FSR 650b
The Specialized Stumpjumper FSR 650b size closest to your M is the M. Compare the M instead
What changes on the Specialized Stumpjumper FSR 650b
Compared with the Specialized Stumpjumper Expert 11m 27.5 in M, the Specialized Stumpjumper FSR 650b in S places the top of the head tube 9 mm lower and 26 mm further back, relative to the bottom bracket. Its wheelbase is 30 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- −9 mm
- Lower front end
- Frame reach
- −26 mm
- Shorter frame reach
- Wheelbase
- −30 mm
- Shorter: quicker to change direction
- Head angle
- ±0.0°
- About the same head angle
- Chainstays
- ±0 mm
- About the same
The two frames
Specialized Stumpjumper Expert 11m 27.5, MSpecialized Stumpjumper FSR 650b, SDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Stumpjumper Expert 11m 27.5 M | Specialized Stumpjumper FSR 650b S | Difference |
|---|---|---|---|
| Reach | 414mm | 388mm | −26 mm |
| Stack | 599mm | 590mm | −9 mm |
| Head tube angle | 67° | 67° | ±0.0° |
| Seat tube angle | 74° | 74° | ±0.0° |
| Effective top tube | 585mm | 558mm | −27 mm |
| Chainstay length | 420mm | 420mm | ±0 mm |
| Wheelbase | 1126mm | 1096mm | −30 mm |
| BB drop | 18mm | 18mm | ±0 mm |
| Standover | 748mm | 742mm | −6 mm |
| Seat tube length | 430mm | 396mm | −34 mm |
| Fork length | 542mm | 542mm | ±0 mm |
| Head tube length | 115mm | 95mm | −20 mm |
Differences are the Specialized Stumpjumper FSR 650b minus the Specialized Stumpjumper Expert 11m 27.5. Full charts: 2018 Specialized Stumpjumper Expert 11m 27.5, 2017 Specialized Stumpjumper FSR 650b.
Where each sits in its class
Specialized Stumpjumper Expert 11m 27.5Specialized Stumpjumper FSR 650b
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 Expert 11m 27.5Expert 11m 27.5 | Specialized Stumpjumper FSR 650bS-Works 650b |
|---|---|---|
| Fork | Specialized Pike RC | RockShox Pike RCT3 |
| Rear shock | RockShox Monarch RT3 | Öhlins STX |
| Shifter | SRAM GX Eagle | SRAM XX1 Eagle |
| Derailleur | SRAM GX Eagle | SRAM XX1 Eagle |
| Cassette | SRAM GX Eagle | SRAM X01 Eagle |
| Chain | SRAM GX Eagle | SRAM XX1 Eagle |
| Crankset | TruVativ Descendant | SRAM XX1 Eagle |
| Tire | Specialized Butcher | Specialized Butcher, Specialized Slaughter |
| Hub | Roval Traverse | Roval Traverse, Roval Traverse SL |
| Rim | Roval Traverse 27.5 | Roval Traverse SL 650 |
| Brake | SRAM Guide R | SRAM Guide RS |
| Grips | Specialized Sip Grip | Specialized Sip Grip |
| Seatpost | Specialized Command Post IRcc | Specialized Command Post IRcc |
| Saddle | Specialized Henge Comp | Specialized Henge Expert |
| Stem | not listed | Syntace F109 |
| Dropper post | not listed | Specialized Command Post IRcc |
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