Quiver

2025 Specialized Tarmac SL8 Team SD Worx Protime vs 2025 Colnago Y1Rs

The M is the Colnago Y1Rs size closest to your 54 Specialized Tarmac SL8 Team SD Worx Protime. 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 Colnago Y1Rs

Compared with the Specialized Tarmac SL8 Team SD Worx Protime in 54, the Colnago Y1Rs in M places the top of the head tube 4 mm lower and about as far forward, relative to the bottom bracket.

Frame stack
−4 mm
Lower front end
Frame reach
+2 mm
About the same reach
Wheelbase
n/a
One of the bikes has no number for this
Head angle
±0.0°
About the same head angle
Chainstays
−2 mm
About the same

The two frames

2025 Specialized Tarmac SL8 Team SD Worx Protime (54)The Specialized Tarmac SL8 Team SD Worx Protime frame drawn to scale.J 978

Only the Specialized Tarmac SL8 Team SD Worx Protime is drawn. The Colnago Y1Rs numbers we have for size M are missing the wheelbase.

Geometry side by side

MeasurementSpecialized Tarmac SL8 Team SD Worx Protime 54Colnago Y1Rs MDifference
Reach384mm386+2 mm
Stack544mm540−4 mm
Head tube angle73°73.0±0.0°
Seat tube angle74°74.0±0.0°
Effective top tube541mmnot listed
Chainstay length410mm408−2 mm
Wheelbase978mmnot listed
BB drop72mm72±0 mm
BB height268mmnot listed
Standover768mmnot listed
Seat tube length473mmnot listed
Fork length370mm376.5+7 mm
Head tube length137mm126.5−11 mm

Differences are the Colnago Y1Rs minus the Specialized Tarmac SL8 Team SD Worx Protime. Full charts: 2025 Specialized Tarmac SL8 Team SD Worx Protime, 2025 Colnago Y1Rs.

Where each sits in its class

Specialized Tarmac SL8 Team SD Worx ProtimeColnago Y1Rs

AggressivePositionUpright
CalmSteeringQuick
PlayfulBalancePlanted

Each bike is ranked against the other road 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 Tarmac SL8 Team SD Worx ProtimeS-Works Team SD Worx - ProtimeColnago Y1RsY1RS
FrameSpecialized S-Works Tarmac SL8 FACTColnago Y1Rs
Shifternot listedShimano Dura-Ace R9200
Derailleurnot listedShimano Dura-Ace R9200 Di2
Chainnot listedShimano XTR M9200
Cranksetnot listedShimano Dura-Ace R9200
Wheelsetnot listedVision SC45
Tirenot listedPirelli P Zero Race
Brakenot listedShimano Dura-Ace R9200
Stemnot listedColnago YY.01
Saddlenot listedPrologo Scratch M5

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