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2015 Specialized Sirrus Elite 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 Elite 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

2015 Specialized Sirrus Elite Disc (M) and 2016 Surly Ogre (xxLarge (24)), lined up at the bottom bracketBoth frames drawn to scale. The Specialized Sirrus Elite Disc is drawn in full with its measurements, and the Surly Ogre is the colored outline on top.J 1066

Specialized Sirrus Elite Disc, MSurly Ogre, xxLarge (24)Drawn to scale and lined up at the bottom bracket.

Geometry side by side

MeasurementSpecialized Sirrus Elite Disc MSurly Ogre xxLarge (24)Difference
Reach406mm451.7+46 mm
Stack589mm642.5+54 mm
Head tube angle71.5°72.0°+0.5°
Seat tube angle73.5°73.0°−0.5°
Effective top tube580mmnot listed
Chainstay length439mm431.0−8 mm
Wheelbase1066mm1109.2+43 mm
BB drop70mm68.0−2 mm
BB height272.5mmnot listed
Standover780mm884.4+104 mm
Seat tube length485mm609.6+125 mm
Head tube length165mm140.0−25 mm
Fork lengthnot listed468.0

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

Where each sits in its class

Specialized Sirrus Elite DiscSurly 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 Elite DiscElite DiscSurly Ogre
ShifterShimano Soranot listed
DerailleurShimano Sora R3500, Shimano Soranot listed
ChainKMC X9not listed
CranksetFSA Temponot listed
PedalsSpecialized Sirrusnot listed
WheelsetSpecialized AXIS Classicnot listed
TireSpecialized Espoir Sport Reflectnot listed
BrakeTektro Gemininot listed
SaddleSpecialized Targa Sportnot listed

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