2015 Specialized Sirrus Comp 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 Comp Disc in M, the Surly Ogre in xxLarge (24) places the top of the head tube 54 mm higher and 46 mm further forward, relative to the bottom bracket. Its wheelbase is 43 mm longer, which can contribute to stability at speed.
- Frame stack
- +54 mm
- Higher front end
- Frame reach
- +46 mm
- Longer frame reach
- Wheelbase
- +43 mm
- Longer: steadier at speed
- Head angle
- +0.5°
- Steeper: sharper steering
- Chainstays
- −8 mm
- Shorter: livelier
The two frames
Specialized Sirrus Comp Disc, MSurly Ogre, xxLarge (24)Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Sirrus Comp Disc M | Surly Ogre xxLarge (24) | Difference |
|---|---|---|---|
| Reach | 406mm | 451.7 | +46 mm |
| Stack | 589mm | 642.5 | +54 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 | 431.0 | −8 mm |
| Wheelbase | 1066mm | 1109.2 | +43 mm |
| BB drop | 70mm | 68.0 | −2 mm |
| BB height | 272.5mm | not listed | |
| Standover | 780mm | 884.4 | +104 mm |
| Seat tube length | 485mm | 609.6 | +125 mm |
| Head tube length | 165mm | 140.0 | −25 mm |
| Fork length | not listed | 468.0 |
Differences are the Surly Ogre minus the Specialized Sirrus Comp Disc. Full charts: 2015 Specialized Sirrus Comp Disc, 2016 Surly Ogre.
Where each sits in its class
Specialized Sirrus Comp 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 Comp DiscComp Disc | Surly Ogre |
|---|---|---|
| Shifter | Shimano Tiagra | not listed |
| Derailleur | Shimano Tiagra | not listed |
| Cassette | Shimano Tiagra | not listed |
| Chain | KMC X-10 | not listed |
| Crankset | FSA Omega | not listed |
| Pedals | Specialized Sirrus | not listed |
| Wheelset | Specialized AXIS 1.0 | not listed |
| Tire | Specialized Espoir Sport Reflect | not listed |
| Brake | Tektro Gemini | not listed |
| Saddle | Specialized Targa Sport | not listed |
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