Quiver

2015 Specialized Sirrus Comp vs 2016 Surly Ogre

The xLarge (22) is the Surly Ogre size closest to your XL Specialized Sirrus Comp. 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 Surly Ogre

Compared with the Specialized Sirrus Comp in XL, the Surly Ogre in xLarge (22) places the top of the head tube 20 mm lower and 18 mm further forward, relative to the bottom bracket. Its wheelbase is 4 mm shorter, which can contribute to quicker direction changes.

Frame stack
−20 mm
Lower front end
Frame reach
+18 mm
Longer frame reach
Wheelbase
−4 mm
Shorter: quicker to change direction
Head angle
±0.0°
About the same head angle
Chainstays
−8 mm
Shorter: livelier

The two frames

2015 Specialized Sirrus Comp (XL) and 2016 Surly Ogre (xLarge (22)), lined up at the bottom bracketBoth frames drawn to scale. The Specialized Sirrus Comp is drawn in full with its measurements, and the Surly Ogre is the colored outline on top.J 1097

Specialized Sirrus Comp, XLSurly Ogre, xLarge (22)Drawn to scale and lined up at the bottom bracket.

Geometry side by side

MeasurementSpecialized Sirrus Comp XLSurly Ogre xLarge (22)Difference
Reach422mm440.1+18 mm
Stack648mm628.2−20 mm
Head tube angle72°72.0°±0.0°
Seat tube angle73°73.0°±0.0°
Effective top tube620mmnot listed
Chainstay length439mm431.0−8 mm
Wheelbase1097mm1093.0−4 mm
BB drop70mm68.0−2 mm
BB height272.5mmnot listed
Standover847mm853.5+7 mm
Seat tube length570mm558.8−11 mm
Head tube length225mm125.0−100 mm
Fork lengthnot listed468.0

Differences are the Surly Ogre minus the Specialized Sirrus Comp. Full charts: 2015 Specialized Sirrus Comp, 2016 Surly Ogre.

Where each sits in its class

Specialized Sirrus CompSurly Ogre

AggressivePositionUpright
CalmSteeringQuick
PlayfulBalancePlanted

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.

PartSpecialized Sirrus CompCompSurly Ogre
ShifterSRAM SL500not listed
DerailleurSRAM X7not listed
CassetteSRAM PG-1030not listed
ChainKMC X-10not listed
CranksetFSA Omeganot listed
PedalsSpecialized Sirrusnot listed
WheelsetSpecialized AXIS 1.0not listed
TireSpecialized Espoir Sport Reflectnot listed
BrakeTektro RX 1.0, Tektro RX1not listed
SaddleSpecialized Targa Sportnot listed

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