Quiver

2023 Specialized Tarmac SL7 Comp vs 2025 Specialized Tarmac SL8 LTD

We can't match sizes for these two: one of them has no stack and reach for the sizes shown.

What changes on the Specialized Tarmac SL8 LTD

Frame stack
n/a
One of the bikes has no number for this
Frame reach
n/a
One of the bikes has no number for this
Wheelbase
−28 mm
Shorter: quicker to change direction
Head angle
−0.5°
Slacker: calmer steering
Chainstays
±0 mm
About the same

The two frames

2023 Specialized Tarmac SL7 Comp (58)The Specialized Tarmac SL7 Comp frame drawn to scale.J 1006

Only the Specialized Tarmac SL7 Comp is drawn. The Specialized Tarmac SL8 LTD numbers we have for size 54 are missing the reach and stack.

Geometry side by side

MeasurementSpecialized Tarmac SL7 Comp 58Specialized Tarmac SL8 LTD 54Difference
Reach400mmnot listed
Stack599mmnot listed
Head tube angle73.5°73°−0.5°
Seat tube angle73.5°74°+0.5°
Chainstay length410mm410mm±0 mm
Wheelbase1006mm978mm−28 mm
BB drop72mm72mm±0 mm
BB height268mm268mm±0 mm
Standover808mm768mm−40 mm
Seat tube length517mm473mm−44 mm
Fork length366mm370mm+4 mm
Head tube length178mm137mm−41 mm
Effective top tubenot listed541mm

Differences are the Specialized Tarmac SL8 LTD minus the Specialized Tarmac SL7 Comp. Full charts: 2023 Specialized Tarmac SL7 Comp, 2025 Specialized Tarmac SL8 LTD.

Where each sits in its class

Specialized Tarmac SL7 CompSpecialized Tarmac SL8 LTD

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 SL7 CompCompSpecialized Tarmac SL8 LTDS-Works LTD
FrameSpecialized Tarmac SL7 FACTSpecialized S-Works Tarmac SL8 FACT
ShifterShimano 105 R7170SRAM RED AXS
DerailleurShimano 105 R7170SRAM Red AXS
CassetteShimano 105SRAM RED XG-1290
ChainShimano SLX M7100SRAM RED
CranksetShimano 105SRAM RED AXS Power Meter
WheelsetDT Swiss R470Roval Rapide CLX II
TireSpecialized Turbo ProSpecialized S-Works Turbo Rapidair 2Br
BrakeShimano 105 R7170SRAM Red AXS
SeatpostSpecialized S-Works Tarmacnot listed
SaddleSpecialized Power SportSpecialized S-Works Power
Bottom bracketnot listedSRAM DUB
Handlebarnot listedRoval Rapide Cockpit
Stemnot listedRoval Rapide Cockpit

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