Quiver

2021 Cannondale Bad Boy vs 2023 Specialized Sirrus 1.0

The XL is the Specialized Sirrus 1.0 size closest to your XL Cannondale Bad Boy. 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 1.0

Compared with the Cannondale Bad Boy in XL, the Specialized Sirrus 1.0 in XL places the top of the head tube 56 mm lower and 32 mm further back, relative to the bottom bracket. Its wheelbase is 37 mm shorter, which can contribute to quicker direction changes.

Frame stack
−56 mm
Lower front end
Frame reach
−32 mm
Shorter frame reach
Wheelbase
−37 mm
Shorter: quicker to change direction
Head angle
+1.0°
Steeper: sharper steering
Chainstays
+5 mm
Longer: more planted

The two frames

2021 Cannondale Bad Boy (XL) and 2023 Specialized Sirrus 1.0 (XL), lined up at the bottom bracketBoth frames drawn to scale. The Cannondale Bad Boy is drawn in full with its measurements, and the Specialized Sirrus 1.0 is the colored outline on top.J 1133

Cannondale Bad Boy, XLSpecialized Sirrus 1.0, XLDrawn to scale and lined up at the bottom bracket.

Geometry side by side

MeasurementCannondale Bad Boy XLSpecialized Sirrus 1.0 XLDifference
Reach446414mm−32 mm
Stack688632mm−56 mm
Head tube angle7071°+1.0°
Seat tube angle73.573.5°±0.0°
Effective top tube650not listed
Chainstay length435440mm+5 mm
Wheelbase11331096mm−37 mm
BB drop53not listed
BB height280not listed
Standover858827mm−31 mm
Seat tube length550530mm−20 mm
Head tube length180217mm+37 mm
Fork lengthnot listed395mm

Differences are the Specialized Sirrus 1.0 minus the Cannondale Bad Boy. Full charts: 2021 Cannondale Bad Boy, 2023 Specialized Sirrus 1.0.

Where each sits in its class

Cannondale Bad BoySpecialized Sirrus 1.0

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.

PartCannondale Bad Boy1Specialized Sirrus 1.01.0
FrameCannondale Bad Boy OPInot listed
ForkLefty LightPipenot listed
ShifterShimano AlfineShimano EF500
CassetteGates CDXShimano HG200
ChainGates CDX CentertrackKMC X8
CranksetGates S150not listed
Bottom bracketThun Zumbanot listed
TireWTB BywaySpecialized Roadsport
BrakeShimano MT400 hydro, Shimano MT401not listed
StemBad Boy Sinot listed
GripsFabric Silicone Cellnot listed
SeatpostLightSkinnot listed
SaddleFabric Scoop Radius EliteSpecialized Bridge Sport
Derailleurnot listedShimano Tourney FD-TY710-2, Shimano Altus

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