2020 Specialized Stumpjumper ST LTD Downieville Carbon 29 vs 2022 Specialized Fuse M4
The XL is the Specialized Fuse M4 size closest to your XL Specialized Stumpjumper ST LTD Downieville Carbon 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 M4
Compared with the Specialized Stumpjumper ST LTD Downieville Carbon 29 in XL, the Specialized Fuse M4 in XL places the top of the head tube at about the same height and 5 mm further forward, relative to the bottom bracket. Its wheelbase is 13 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- ±0 mm
- About the same height
- Frame reach
- +5 mm
- Longer frame reach
- Wheelbase
- −13 mm
- Shorter: quicker to change direction
- Head angle
- −0.5°
- Slacker: calmer steering
- Chainstays
- −2 mm
- About the same
The two frames
Specialized Stumpjumper ST LTD Downieville Carbon 29, XLSpecialized Fuse M4, XLDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Stumpjumper ST LTD Downieville Carbon 29 XL | Specialized Fuse M4 XL | Difference |
|---|---|---|---|
| Reach | 475mm | 480mm | +5 mm |
| Stack | 652mm | 652mm | ±0 mm |
| Head tube angle | 67° | 66.5° | −0.5° |
| Seat tube angle | 74.2° | 74° | −0.2° |
| Chainstay length | 437mm | 435mm | −2 mm |
| Wheelbase | 1227mm | 1214mm | −13 mm |
| BB drop | 36mm | not listed | |
| BB height | 336mm | not listed | |
| Seat tube length | 505mm | 505mm | ±0 mm |
| Fork length | 550mm | 540mm | −10 mm |
| Head tube length | 140mm | 95mm | −45 mm |
| Standover | not listed | 793mm |
Differences are the Specialized Fuse M4 minus the Specialized Stumpjumper ST LTD Downieville Carbon 29. Full charts: 2020 Specialized Stumpjumper ST LTD Downieville Carbon 29, 2022 Specialized Fuse M4.
Where each sits in its class
Specialized Stumpjumper ST LTD Downieville Carbon 29Specialized Fuse M4
Each bike is ranked against the other trail bikes on Quiver, on frame geometry alone. Not your hand position or ride feel.
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