Quiver

2019 Specialized Sirrus Men's Expert Carbon vs 2020 Specialized Sirrus X Comp Carbon Men's Spec

The Specialized Sirrus X Comp Carbon Men's Spec size closest to your L is the L. Compare the L instead

What changes on the Specialized Sirrus X Comp Carbon Men's Spec

Compared with the Specialized Sirrus Men's Expert Carbon in L, the Specialized Sirrus X Comp Carbon Men's Spec in XL places the top of the head tube 38 mm higher and 12 mm further forward, relative to the bottom bracket. Its wheelbase is 19 mm longer, which can contribute to stability at speed.

Frame stack
+38 mm
Higher front end
Frame reach
+12 mm
Longer frame reach
Wheelbase
+19 mm
Longer: steadier at speed
Head angle
+0.5°
Steeper: sharper steering
Chainstays
±0 mm
About the same

The two frames

2019 Specialized Sirrus Men's Expert Carbon (L) and 2020 Specialized Sirrus X Comp Carbon Men's Spec (XL), lined up at the bottom bracketBoth frames drawn to scale. The Specialized Sirrus Men's Expert Carbon is drawn in full with its measurements, and the Specialized Sirrus X Comp Carbon Men's Spec is the colored outline on top.J 1063

Specialized Sirrus Men's Expert Carbon, LSpecialized Sirrus X Comp Carbon Men's Spec, XLDrawn to scale and lined up at the bottom bracket.

Geometry side by side

MeasurementSpecialized Sirrus Men's Expert Carbon LSpecialized Sirrus X Comp Carbon Men's Spec XLDifference
Reach386mm398mm+12 mm
Stack649mm687mm+38 mm
Head tube angle71.5°72°+0.5°
Seat tube angle73.5°73.5°±0.0°
Effective top tube580mmnot listed
Chainstay length435mm435mm±0 mm
Wheelbase1063mm1082mm+19 mm
BB drop70mm70mm±0 mm
BB height275mm275mm±0 mm
Standover813mm849mm+36 mm
Seat tube length483mm533mm+50 mm
Fork length390mm390mm±0 mm
Head tube length186mm223mm+37 mm

Differences are the Specialized Sirrus X Comp Carbon Men's Spec minus the Specialized Sirrus Men's Expert Carbon. Full charts: 2019 Specialized Sirrus Men's Expert Carbon, 2020 Specialized Sirrus X Comp Carbon Men's Spec.

Where each sits in its class

Specialized Sirrus Men's Expert CarbonSpecialized Sirrus X Comp Carbon Men's Spec

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 Men's Expert CarbonMen's Expert CarbonSpecialized Sirrus X Comp Carbon Men's SpecComp Carbon Men's Spec
DerailleurmicroSHIFT Centos, Shimano 105 R7000 GSSRAM NX
CassetteShimano 105not listed
ChainKMC X-11KMC X11
CranksetPraxis Albanot listed
TireSpecialized Espoir Sport ReflectSpecialized Tracer Pro
BrakeTRP FlowShimano MT201
SaddleSpecialized Canopy CompSpecialized Canopy
Shifternot listedSRAM NX

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
A Transition Relay build sheet: frame, fork, shock and drivetrainThe Relay’s ride photo galleryThe Relay’s ride spectrum and 2D frame geometryThe garage: five bikes and 99 recorded partsA Specialized Tarmac SL8 road build sheet