2014 Specialized Stumpjumper 29 Singlespeed vs 2016 Ritchey Ascent
The XL is the Ritchey Ascent size closest to your 17.5 Specialized Stumpjumper 29 Singlespeed. 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 Ritchey Ascent
Compared with the Specialized Stumpjumper 29 Singlespeed in 17.5, the Ritchey Ascent in XL places the top of the head tube 12 mm higher and 3 mm further back, relative to the bottom bracket. Its wheelbase is 21 mm longer, which can contribute to stability at speed.
- Frame stack
- +12 mm
- Higher front end
- Frame reach
- −4 mm
- Shorter frame reach
- Wheelbase
- +21 mm
- Longer: steadier at speed
- Head angle
- −0.5°
- Slacker: calmer steering
- Chainstays
- +10 mm
- Longer: more planted
The two frames
Specialized Stumpjumper 29 Singlespeed, 17.5Ritchey Ascent, XLDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Stumpjumper 29 Singlespeed 17.5 | Ritchey Ascent XL | Difference |
|---|---|---|---|
| Reach | 410.5mm | 407 | −4 mm |
| Stack | 612mm | 624 | +12 mm |
| Head tube angle | 71.5° | 71 | −0.5° |
| Seat tube angle | 73.5° | 73 | −0.5° |
| Chainstay length | 435mm | 445 | +10 mm |
| Wheelbase | 1072mm | 1093 | +21 mm |
| BB drop | 63.5mm | 68 | +5 mm |
| BB height | 304mm | not listed | |
| Standover | 810mm | 821 | +11 mm |
| Seat tube length | 445mm | 525 | +80 mm |
| Effective top tube | not listed | 598 | |
| Head tube length | not listed | 190 |
Differences are the Ritchey Ascent minus the Specialized Stumpjumper 29 Singlespeed. Full charts: 2014 Specialized Stumpjumper 29 Singlespeed, 2016 Ritchey Ascent.
Where each sits in its class
Specialized Stumpjumper 29 SinglespeedRitchey Ascent
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 29 Singlespeed29 Singlespeed | Ritchey Ascent |
|---|---|---|
| Fork | Specialized Chisel | not listed |
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