2020 Specialized Fuse Expert 29 vs 2020 Specialized Stumpjumper ST Alloy 29
The XL is the Specialized Stumpjumper ST Alloy 29 size closest to your XL Specialized Fuse Expert 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 Expert 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 Expert 29 numbers we have for size XL are missing the chainstay length. The numbers below still compare.
Geometry side by side
| Measurement | Specialized Fuse Expert 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 Expert 29. Full charts: 2020 Specialized Fuse Expert 29, 2020 Specialized Stumpjumper ST Alloy 29.
Where each sits in its class
Specialized Fuse Expert 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 Expert 29Expert 29 | Specialized Stumpjumper ST Alloy 29 |
|---|---|---|
| Fork | RockShox RL Gold | not listed |
| Shifter | SRAM NX Eagle | not listed |
| Derailleur | SRAM NX Eagle | not listed |
| Cassette | SRAM NX Eagle | not listed |
| Chain | SRAM NX Eagle | not listed |
| Crankset | SRAM NX Eagle | not listed |
| Bottom bracket | SRAM DUB | not listed |
| Tire | Specialized Butcher, Specialized Purgatory | not listed |
| Brake | SRAM TRL | not listed |
| Handlebar | Specialized Stout | not listed |
| Stem | Specialized Stout | not listed |
| Seatpost | TranzX Dropper | not listed |
| Saddle | Specialized Bridge | not listed |
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