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 Small (16) places the top of the head tube at about the same height and 11 mm further back, relative to the bottom bracket. Its wheelbase is 20 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- +2 mm
- About the same height
- Frame reach
- −11 mm
- Shorter frame reach
- Wheelbase
- −20 mm
- Shorter: quicker to change direction
- Head angle
- −0.5°
- Slacker: calmer steering
- Chainstays
- −8 mm
- Shorter: livelier
The two frames
Specialized Sirrus Comp Disc, MSurly Ogre, Small (16)Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Sirrus Comp Disc M | Surly Ogre Small (16) | Difference |
|---|---|---|---|
| Reach | 406mm | 394.9 | −11 mm |
| Stack | 589mm | 591.1 | +2 mm |
| Head tube angle | 71.5° | 71.0° | −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 | 1046.1 | −20 mm |
| BB drop | 70mm | 68.0 | −2 mm |
| BB height | 272.5mm | not listed | |
| Standover | 780mm | 762.9 | −17 mm |
| Seat tube length | 485mm | 406.4 | −79 mm |
| Head tube length | 165mm | 90.0 | −75 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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