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