Quiver

2025 Colnago V5Rs SRAM eTap vs 2026 Specialized Tarmac SL8 Pro SRAM

The 58 is the Specialized Tarmac SL8 Pro SRAM size closest to your 55 Colnago V5Rs SRAM eTap. 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 Tarmac SL8 Pro SRAM

Compared with the Colnago V5Rs SRAM eTap in 55, the Specialized Tarmac SL8 Pro SRAM in 58 places the top of the head tube at about the same height and about as far forward, relative to the bottom bracket.

Frame stack
−2 mm
About the same height
Frame reach
−2 mm
About the same reach
Wheelbase
n/a
One of the bikes has no number for this
Head angle
n/a
One of the bikes has no number for this
Chainstays
n/a
One of the bikes has no number for this

The two frames

We can't draw these frames yet. The Colnago V5Rs SRAM eTap numbers we have for size 55 are missing the wheelbase. The numbers below still compare.

Geometry side by side

MeasurementColnago V5Rs SRAM eTap 55Specialized Tarmac SL8 Pro SRAM 58Difference
Reach404402−2 mm
Stack593591−2 mm
Head tube angle73not listed
Seat tube angle73.5not listed
Effective top tube578577−1 mm
Chainstay length408not listed
BB drop72not listed
BB height264268+4 mm
Head tube length181184+3 mm
Wheelbasenot listed1006
Seat tube lengthnot listed515

Differences are the Specialized Tarmac SL8 Pro SRAM minus the Colnago V5Rs SRAM eTap. Full charts: 2025 Colnago V5Rs SRAM eTap, 2026 Specialized Tarmac SL8 Pro SRAM.

Where each sits in its class

Colnago V5Rs SRAM eTapSpecialized Tarmac SL8 Pro SRAM

AggressivePositionUpright
CalmSteeringQuick

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.

PartColnago V5Rs SRAM eTapSpecialized Tarmac SL8 Pro SRAMPro SRAM Force AXS
Framenot listedSpecialized Tarmac SL8
Forknot listedSpecialized FACT 10r
Shifternot listedSRAM AXS E1 HRD Force
Derailleurnot listedSRAM AXS E1 Force, SRAM Force AXS
Cassettenot listedSRAM XG-1270 Force
Chainnot listedSRAM E1 Force
Cranksetnot listedSRAM E1 Force
Chainringnot listedSRAM Force E1
Bottom bracketnot listedSRAM DUB
Wheelsetnot listedRoval Rapide CL III
Tirenot listedSpecialized Turbo Race, Specialized Turbo TLR Race
Brakenot listedSRAM AXS E1 Force, SRAM Force E1
Rotornot listedSRAM AXS E1, SRAM 160mm rear
Handlebarnot listedRoval Rapide Cockpit
Stemnot listedRoval Rapide Cockpit
Gripsnot listedSupacaz Super Sticky Kush
Bar tapenot listedSupacaz Super Sticky Kush
Seatpostnot listedSpecialized Tarmac SL8 Carbon
Saddlenot listedSpecialized Power Pro Mirror

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