2017 Specialized Camber Comp Carbon 650b vs 2018 Specialized Stumpjumper 27.5
The L is the Specialized Stumpjumper 27.5 size closest to your L Specialized Camber Comp 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
Compared with the Specialized Camber Comp Carbon 650b in L, the Specialized Stumpjumper 27.5 in L places the top of the head tube 9 mm higher and 12 mm further back, relative to the bottom bracket. Its wheelbase is 7 mm longer, which can contribute to stability at speed.
- Frame stack
- +9 mm
- Higher front end
- Frame reach
- −12 mm
- Shorter frame reach
- Wheelbase
- +7 mm
- Longer: steadier at speed
- Head angle
- −1.0°
- Slacker: calmer steering
- Chainstays
- ±0 mm
- About the same
The two frames
Specialized Camber Comp Carbon 650b, LSpecialized Stumpjumper 27.5, LDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Camber Comp Carbon 650b L | Specialized Stumpjumper 27.5 L | Difference |
|---|---|---|---|
| Reach | 454mm | 442mm | −12 mm |
| Stack | 599mm | 608mm | +9 mm |
| Head tube angle | 68° | 67° | −1.0° |
| Seat tube angle | 75° | 74° | −1.0° |
| Effective top tube | 614mm | 618mm | +4 mm |
| Chainstay length | 420mm | 420mm | ±0 mm |
| Wheelbase | 1151mm | 1158mm | +7 mm |
| BB drop | 23mm | 18mm | −5 mm |
| Standover | 743mm | 762mm | +19 mm |
| Seat tube length | 468mm | 468mm | ±0 mm |
| Fork length | 522mm | 542mm | +20 mm |
| Head tube length | 115mm | 125mm | +10 mm |
Differences are the Specialized Stumpjumper 27.5 minus the Specialized Camber Comp Carbon 650b. Full charts: 2017 Specialized Camber Comp Carbon 650b, 2018 Specialized Stumpjumper 27.5.
Where each sits in its class
Specialized Camber Comp Carbon 650bSpecialized Stumpjumper 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 Camber Comp Carbon 650bComp Carbon 650b | Specialized Stumpjumper 27.5S-Works 27.5 |
|---|---|---|
| Fork | RockShox Revelation RL 27.5 | Öhlins RXF 36 |
| Rear shock | Fox Float Performance | Öhlins STX |
| Shifter | SRAM NX | SRAM XX1 Eagle |
| Derailleur | SRAM GX | SRAM XX1 Eagle |
| Cassette | SRAM PG-1130 | SRAM X01 Eagle |
| Chain | SRAM PC-1110 | SRAM X01 Eagle |
| Crankset | Race Face Aeffect | SRAM XX1 Eagle |
| Tire | Specialized Purgatory, Specialized Ground Control | Specialized Butcher |
| Rim | Roval Traverse | Roval Traverse SL 27.5 |
| Brake | Shimano Deore M506 | SRAM Guide RS |
| Grips | Specialized Sip Grip | Specialized Sip Grip |
| Dropper post | Specialized Command Post IRcc | not listed |
| Seatpost | Specialized Command Post IRcc | Specialized Command Post IRcc |
| Saddle | Specialized Henge Comp | Specialized Henge Expert |
| Hub | not listed | Roval Traverse SL |
| Stem | not listed | Syntace F109 |
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