2016 Specialized Stumpjumper FSR 650b vs 2018 Specialized Stumpjumper 27.5 Frameset
The Specialized Stumpjumper 27.5 Frameset size closest to your M is the M. Compare the M instead
What changes on the Specialized Stumpjumper 27.5 Frameset
Compared with the Specialized Stumpjumper FSR 650b in M, the Specialized Stumpjumper 27.5 Frameset 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 FSR 650b, MSpecialized Stumpjumper 27.5 Frameset, SDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Stumpjumper FSR 650b M | Specialized Stumpjumper 27.5 Frameset S | Difference |
|---|---|---|---|
| Reach | 414 | 388mm | −26 mm |
| Stack | 599 | 590mm | −9 mm |
| Head tube angle | 67 | 67° | ±0.0° |
| Seat tube angle | 74 | 74° | ±0.0° |
| Effective top tube | 587 | 558mm | −29 mm |
| Chainstay length | 420 | 420mm | ±0 mm |
| Wheelbase | 1126 | 1096mm | −30 mm |
| BB drop | 18 | 18mm | ±0 mm |
| BB height | 335 | not listed | |
| Standover | 743 | 742mm | −1 mm |
| Seat tube length | 430 | 396mm | −34 mm |
| Fork length | 542 | 542mm | ±0 mm |
| Head tube length | 105 | 105mm | ±0 mm |
Differences are the Specialized Stumpjumper 27.5 Frameset minus the Specialized Stumpjumper FSR 650b. Full charts: 2016 Specialized Stumpjumper FSR 650b, 2018 Specialized Stumpjumper 27.5 Frameset.
Where each sits in its class
Specialized Stumpjumper FSR 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 650bS-Works 650b | Specialized Stumpjumper 27.5 FramesetS-Works Frameset |
|---|---|---|
| Fork | RockShox Pike RCT3 | not listed |
| Rear shock | Fox FLOAT CTD Factory | Öhlins STX |
| Shifter | SRAM XX1 | not listed |
| Derailleur | SRAM XX1 | not listed |
| Cassette | SRAM XX1 | not listed |
| Chain | SRAM PC-XX1 | not listed |
| Crankset | S Works FACT carbon | not listed |
| Bottom bracket | SRAM PF30 | not listed |
| Wheelset | Roval Traverse SL | not listed |
| Tire | Specialized Butcher Control, Specialized Purgatory Control | not listed |
| Rim | Roval Traverse SL 650b | not listed |
| Brake | Shimano XTR | not listed |
| Handlebar | Specialized FACT carbon | not listed |
| Stem | Syntace F109 | not listed |
| Grips | Specialized Sip Grip | not listed |
| Headset | Specialized Hella Flush | not listed |
| Dropper post | Specialized Command Post IRcc | not listed |
| Seatpost | Specialized Command Post IRcc | not listed |
| Saddle | Specialized Henge Expert | not listed |
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