2021 Specialized Fuse Comp 29 vs 2020 Specialized Stumpjumper ST Alloy 29
The XL is the Specialized Stumpjumper ST Alloy 29 size closest to your XL Specialized Fuse Comp 29. 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 ST Alloy 29
Compared with the Specialized Fuse Comp 29 in XL, the Specialized Stumpjumper ST Alloy 29 in XL places the top of the head tube 4 mm higher and 10 mm further back, relative to the bottom bracket. Its wheelbase is 18 mm longer, which can contribute to stability at speed.
- Frame stack
- +4 mm
- Higher front end
- Frame reach
- −10 mm
- Shorter frame reach
- Wheelbase
- +18 mm
- Longer: steadier at speed
- Head angle
- ±0.0°
- About the same head angle
- Chainstays
- n/a
- One of the bikes has no number for this
The two frames
We can't draw these frames yet. The Specialized Fuse Comp 29 numbers we have for size XL are missing the chainstay length. The numbers below still compare.
Geometry side by side
| Measurement | Specialized Fuse Comp 29 XL | Specialized Stumpjumper ST Alloy 29 XL | Difference |
|---|---|---|---|
| Reach | 480mm | 470mm | −10 mm |
| Stack | 652mm | 656mm | +4 mm |
| Head tube angle | 66.5° | 66.5° | ±0.0° |
| Seat tube angle | 74° | 73.7° | −0.3° |
| Wheelbase | 1214mm | 1232mm | +18 mm |
| Standover | 793mm | 776mm | −17 mm |
| Seat tube length | 505mm | 505mm | ±0 mm |
| Fork length | 540mm | 560mm | +20 mm |
| Head tube length | 125mm | 140mm | +15 mm |
| Chainstay length | not listed | 437mm | |
| BB drop | not listed | 33mm | |
| BB height | not listed | 341mm |
Differences are the Specialized Stumpjumper ST Alloy 29 minus the Specialized Fuse Comp 29. Full charts: 2021 Specialized Fuse Comp 29, 2020 Specialized Stumpjumper ST Alloy 29.
Where each sits in its class
Specialized Fuse Comp 29Specialized Stumpjumper ST Alloy 29
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 Fuse Comp 29Comp 29 | Specialized Stumpjumper ST Alloy 29 |
|---|---|---|
| Frame | Specialized Fuse | not listed |
| Fork | RockShox Recon RL | not listed |
| Shifter | Shimano Deore M6100 | not listed |
| Derailleur | Shimano Deore | not listed |
| Cassette | Shimano Deore M6100 | not listed |
| Chain | KMC X12EPT | not listed |
| Crankset | Specialized Stout Pro | not listed |
| Chainring | Specialized Stout Pro | not listed |
| Wheelset | Specialized Stout | not listed |
| Tire | Specialized Butcher, Specialized Purgatory | not listed |
| Hub | Shimano MT410-B | not listed |
| Brake | Shimano Deore M4100 | not listed |
| Handlebar | Specialized Stout | not listed |
| Stem | Specialized Stout | not listed |
| Headset | FSA Integrated | not listed |
| Seatpost | TranzX Dropper | not listed |
| Saddle | Specialized Bridge | not listed |
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