2017 Specialized Camber 650b vs 2018 Specialized Stumpjumper 27.5
The XL is the Specialized Stumpjumper 27.5 size closest to your XL Specialized Camber 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 650b in XL, the Specialized Stumpjumper 27.5 in XL places the top of the head tube 9 mm higher and 11 mm further back, relative to the bottom bracket. Its wheelbase is 8 mm longer, which can contribute to stability at speed.
- Frame stack
- +9 mm
- Higher front end
- Frame reach
- −11 mm
- Shorter frame reach
- Wheelbase
- +8 mm
- Longer: steadier at speed
- Head angle
- −1.0°
- Slacker: calmer steering
- Chainstays
- ±0 mm
- About the same
The two frames
Specialized Camber 650b, XLSpecialized Stumpjumper 27.5, XLDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Camber 650b XL | Specialized Stumpjumper 27.5 XL | Difference |
|---|---|---|---|
| Reach | 475mm | 464mm | −11 mm |
| Stack | 608mm | 617mm | +9 mm |
| Head tube angle | 68° | 67° | −1.0° |
| Seat tube angle | 75° | 74° | −1.0° |
| Effective top tube | 638mm | 646mm | +8 mm |
| Chainstay length | 420mm | 420mm | ±0 mm |
| Wheelbase | 1176mm | 1184mm | +8 mm |
| BB drop | 23mm | 18mm | −5 mm |
| Standover | 767mm | 764mm | −3 mm |
| Seat tube length | 523mm | 523mm | ±0 mm |
| Fork length | 522mm | 542mm | +20 mm |
| Head tube length | 125mm | not listed |
Differences are the Specialized Stumpjumper 27.5 minus the Specialized Camber 650b. Full charts: 2017 Specialized Camber 650b, 2018 Specialized Stumpjumper 27.5.
Where each sits in its class
Specialized Camber 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 650b650b | Specialized Stumpjumper 27.5S-Works 27.5 |
|---|---|---|
| Fork | RockShox Sektor | Öhlins RXF 36 |
| Rear shock | X-Fusion Pro RL | Öhlins STX |
| Shifter | SRAM GX | SRAM XX1 Eagle |
| Derailleur | SRAM GX | SRAM XX1 Eagle |
| Chain | KMC X-10 | SRAM X01 Eagle |
| Crankset | SRAM NX | SRAM XX1 Eagle |
| Bottom bracket | TruVativ Powerspline | not listed |
| Tire | Specialized Purgatory, Specialized Ground Control | Specialized Butcher |
| Brake | Tektro Gemini Comp | SRAM Guide RS |
| Grips | Specialized Sip Grip | Specialized Sip Grip |
| Saddle | Specialized Henge Sport | Specialized Henge Expert |
| Cassette | not listed | SRAM X01 Eagle |
| Hub | not listed | Roval Traverse SL |
| Rim | not listed | Roval Traverse SL 27.5 |
| Stem | not listed | Syntace F109 |
| Seatpost | not listed | Specialized Command Post IRcc |
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