2019 Specialized Sirrus Women's Elite Step-Through Alloy vs 2018 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 Women's Elite Step-Through Alloy in M, the Surly Ogre in L places the top of the head tube 52 mm higher and 45 mm further forward, relative to the bottom bracket. Its wheelbase is 45 mm longer, which can contribute to stability at speed.
- Frame stack
- +52 mm
- Higher front end
- Frame reach
- +45 mm
- Longer frame reach
- Wheelbase
- +45 mm
- Longer: steadier at speed
- Head angle
- +1.0°
- Steeper: sharper steering
- Chainstays
- ±0 mm
- About the same
The two frames
Specialized Sirrus Women's Elite Step-Through Alloy, MSurly Ogre, LDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Sirrus Women's Elite Step-Through Alloy M | Surly Ogre L | Difference |
|---|---|---|---|
| Reach | 383mm | 427.6 | +45 mm |
| Stack | 561mm | 613 | +52 mm |
| Head tube angle | 71° | 72.0° | +1.0° |
| Seat tube angle | 73.5° | 73.0° | −0.5° |
| Effective top tube | 549mm | 615 | +66 mm |
| Chainstay length | 440mm | 440 | ±0 mm |
| Wheelbase | 1040mm | 1084.6 | +45 mm |
| BB drop | 70mm | 68 | −2 mm |
| BB height | 275mm | not listed | |
| Standover | 625mm | 824.5 | +200 mm |
| Seat tube length | 450mm | 508 | +58 mm |
| Fork length | 390mm | 447 | +57 mm |
| Head tube length | 146mm | 130 | −16 mm |
Differences are the Surly Ogre minus the Specialized Sirrus Women's Elite Step-Through Alloy. Full charts: 2019 Specialized Sirrus Women's Elite Step-Through Alloy, 2018 Surly Ogre.
Where each sits in its class
Specialized Sirrus Women's Elite Step-Through AlloySurly 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 Women's Elite Step-Through AlloyWomen's Elite Step-Through Alloy | Surly OgreOgre |
|---|---|---|
| Derailleur | microSHIFT Centos, Shimano Tiagra | Shimano Deore Front, Shimano Deore Rear |
| Cassette | Shimano Tiagra | Shimano HG50 |
| Chain | KMC X-10 | KMC X10 |
| Crankset | Praxis Alba M24 | Shimano T551 |
| Bottom bracket | Praxis M24 | SRAM PowerSpline |
| Tire | Specialized Espoir Sport Reflect | Surly Extraterrestrial |
| Brake | TRP Flow | Avid BB7, Tektro FR5 |
| Stem | Specialized Flowset | Kalloy AS-008 |
| Saddle | Specialized Aldia Comp | WTB Volt Sport |
| Frame | not listed | Surly Ogre |
| Shifter | not listed | Shimano Deore |
| Chainring | not listed | Shimano T551 |
| Rim | not listed | WTB i29 |
| Handlebar | not listed | Surly Moloko |
| Grips | not listed | Velo Black |
| Headset | not listed | Cane Creek 40 |
| Seatpost | not listed | Kalloy SP-342 |
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