2018 Surly Ogre vs 2017 Specialized Sirrus Comp City
The L is the Specialized Sirrus Comp City size closest to your M Surly Ogre. 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 Sirrus Comp City
Compared with the Surly Ogre in M, the Specialized Sirrus Comp City in L places the top of the head tube 13 mm higher and about as far forward, relative to the bottom bracket. Its wheelbase is 14 mm longer, which can contribute to stability at speed.
- Frame stack
- +13 mm
- Higher front end
- Frame reach
- +3 mm
- About the same reach
- Wheelbase
- +14 mm
- Longer: steadier at speed
- Head angle
- ±0.0°
- About the same head angle
- Chainstays
- −1 mm
- About the same
The two frames
Surly Ogre, MSpecialized Sirrus Comp City, LDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Surly Ogre M | Specialized Sirrus Comp City L | Difference |
|---|---|---|---|
| Reach | 410.5 | 413mm | +3 mm |
| Stack | 603.4 | 616mm | +13 mm |
| Head tube angle | 72.0° | 72° | ±0.0° |
| Seat tube angle | 73.0° | 73° | ±0.0° |
| Effective top tube | 595 | 602mm | +7 mm |
| Chainstay length | 440 | 439mm | −1 mm |
| Wheelbase | 1064.5 | 1078mm | +14 mm |
| BB drop | 68 | 70mm | +2 mm |
| Standover | 795.7 | 813.7mm | +18 mm |
| Seat tube length | 457.2 | 530mm | +73 mm |
| Fork length | 447 | 398mm | −49 mm |
| Head tube length | 120 | 190mm | +70 mm |
| BB height | not listed | 275mm |
Differences are the Specialized Sirrus Comp City minus the Surly Ogre. Full charts: 2018 Surly Ogre, 2017 Specialized Sirrus Comp City.
Where each sits in its class
Surly OgreSpecialized Sirrus Comp City
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 | Surly OgreOgre | Specialized Sirrus Comp CityComp City |
|---|---|---|
| Frame | Surly Ogre | not listed |
| Shifter | Shimano Deore | not listed |
| Derailleur | Shimano Deore Front, Shimano Deore Rear | Shimano Tiagra |
| Cassette | Shimano HG50 | not listed |
| Chain | KMC X10 | KMC X-10 |
| Crankset | Shimano T551 | FSA Gossamer Pro |
| Chainring | Shimano T551 | not listed |
| Bottom bracket | SRAM PowerSpline | FSA MegaExo |
| Tire | Surly Extraterrestrial | Specialized Espoir Sport Reflect |
| Rim | WTB i29 | not listed |
| Brake | Avid BB7, Tektro FR5 | Shimano Acera |
| Handlebar | Surly Moloko | not listed |
| Stem | Kalloy AS-008 | Specialized Flowset |
| Grips | Velo Black | not listed |
| Headset | Cane Creek 40 | not listed |
| Seatpost | Kalloy SP-342 | not listed |
| Saddle | WTB Volt Sport | Specialized Canopy Comp |
| Wheelset | not listed | Specialized AXIS Elite |
Know what is on every bike.
Add your bike to Quiver. Keep its parts, setup, and service history together, then share your build.
Explore the app
