2015 Specialized Sirrus Elite Disc vs 2016 Surly Ogre
The Surly Ogre size closest to your M is the S. Compare the S instead
What changes on the Surly Ogre
Compared with the Specialized Sirrus Elite Disc in M, the Surly Ogre in XL places the top of the head tube 43 mm higher and 41 mm further forward, relative to the bottom bracket. Its wheelbase is 44 mm longer, which can contribute to stability at speed.
- Frame stack
- +43 mm
- Higher front end
- Frame reach
- +41 mm
- Longer frame reach
- Wheelbase
- +44 mm
- Longer: steadier at speed
- Head angle
- +0.5°
- Steeper: sharper steering
- Chainstays
- +1 mm
- About the same
The two frames
Specialized Sirrus Elite Disc, MSurly Ogre, XLDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Sirrus Elite Disc M | Surly Ogre XL | Difference |
|---|---|---|---|
| Reach | 406mm | 447 | +41 mm |
| Stack | 589mm | 632 | +43 mm |
| Head tube angle | 71.5° | 72.0° | +0.5° |
| Seat tube angle | 73.5° | 73.0° | −0.5° |
| Effective top tube | 580mm | not listed | |
| Chainstay length | 439mm | 440 | +1 mm |
| Wheelbase | 1066mm | 1110 | +44 mm |
| BB drop | 70mm | 68 | −2 mm |
| BB height | 272.5mm | not listed | |
| Standover | 780mm | 857.85 | +78 mm |
| Seat tube length | 485mm | 558 | +73 mm |
| Head tube length | 165mm | 150 | −15 mm |
| Fork length | not listed | 447 |
Differences are the Surly Ogre minus the Specialized Sirrus Elite Disc. Full charts: 2015 Specialized Sirrus Elite Disc, 2016 Surly Ogre.
Where each sits in its class
Specialized Sirrus Elite DiscSurly Ogre
Each bike is ranked against the other commuter 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 Sirrus Elite DiscElite Disc | Surly Ogre |
|---|---|---|
| Shifter | Shimano Sora | not listed |
| Derailleur | Shimano Sora R3500, Shimano Sora | not listed |
| Chain | KMC X9 | not listed |
| Crankset | FSA Tempo | not listed |
| Pedals | Specialized Sirrus | not listed |
| Wheelset | Specialized AXIS Classic | not listed |
| Tire | Specialized Espoir Sport Reflect | not listed |
| Brake | Tektro Gemini | not listed |
| Saddle | Specialized Targa Sport | not listed |
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