2016 Specialized Stumpjumper FSR 650b vs 2017 Specialized Fuse Comp 6Fattie
The XL is the Specialized Fuse Comp 6Fattie size closest to your XL Specialized Stumpjumper FSR 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 Fuse Comp 6Fattie
Compared with the Specialized Stumpjumper FSR 650b in XL, the Specialized Fuse Comp 6Fattie in XL places the top of the head tube 26 mm higher and 6 mm further back, relative to the bottom bracket.
- Frame stack
- +26 mm
- Higher front end
- Frame reach
- −6 mm
- Shorter frame reach
- Wheelbase
- +1 mm
- About the same
- Head angle
- +0.5°
- Steeper: sharper steering
- Chainstays
- +10 mm
- Longer: more planted
The two frames
Specialized Stumpjumper FSR 650b, XLSpecialized Fuse Comp 6Fattie, XLDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Stumpjumper FSR 650b XL | Specialized Fuse Comp 6Fattie XL | Difference |
|---|---|---|---|
| Reach | 464 | 458mm | −6 mm |
| Stack | 617 | 643mm | +26 mm |
| Head tube angle | 67 | 67.5° | +0.5° |
| Seat tube angle | 74 | 73° | −1.0° |
| Effective top tube | 646 | 656mm | +10 mm |
| Chainstay length | 420 | 430mm | +10 mm |
| Wheelbase | 1184 | 1185mm | +1 mm |
| BB drop | 18 | 51mm | +33 mm |
| BB height | 335 | not listed | |
| Standover | 759 | 830mm | +71 mm |
| Seat tube length | 523 | 505mm | −18 mm |
| Fork length | 542 | 530mm | −12 mm |
| Head tube length | 125 | 130mm | +5 mm |
Differences are the Specialized Fuse Comp 6Fattie minus the Specialized Stumpjumper FSR 650b. Full charts: 2016 Specialized Stumpjumper FSR 650b, 2017 Specialized Fuse Comp 6Fattie.
Where each sits in its class
Specialized Stumpjumper FSR 650bSpecialized Fuse Comp 6Fattie
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 Fuse Comp 6FattieComp 6Fattie |
|---|---|---|
| Fork | RockShox Pike RCT3 | Manitou Machete |
| Rear shock | Fox FLOAT CTD Factory | not listed |
| Shifter | SRAM XX1 | SRAM NX |
| Derailleur | SRAM XX1 | SRAM NX |
| Cassette | SRAM XX1 | SRAM PG-1130 |
| Chain | SRAM PC-XX1 | SRAM PC-1130 |
| Crankset | S Works FACT carbon | Specialized Stout XC |
| Bottom bracket | SRAM PF30 | not listed |
| Wheelset | Roval Traverse SL | Specialized Stout |
| Tire | Specialized Butcher Control, Specialized Purgatory Control | not listed |
| Rim | Roval Traverse SL 650b | not listed |
| Brake | Shimano XTR | TRP Slate X2 |
| Handlebar | Specialized FACT carbon | not listed |
| Stem | Syntace F109 | not listed |
| Grips | Specialized Sip Grip | Specialized Sip Grip |
| Headset | Specialized Hella Flush | not listed |
| Dropper post | Specialized Command Post IRcc | TranzX Dropper |
| Seatpost | Specialized Command Post IRcc | TranzX Dropper |
| Saddle | Specialized Henge Expert | Specialized Henge Comp |
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