BikesCompareOstro VAM vs Tarmac SL8

Factor vs Specialized Ostro VAM vs Tarmac SL8 geometry

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178 cm · 5 ft 10 in
auto85 cm · 33.5 in
Size 56

Render Align 50%

Geometry

Size45495254565861
Stack mm502503523542565587611
Reach mm360370376384392401409
Head tube angle °71.171.172.572.573.373.373.3
Seat tube angle °75.574.574.074.073.573.573.5
Seat tube mm432454483502524531554
Chainstay mm405405405405405408410
BB drop mm72727270707070
Fork rake mm57534848434343
Stack to reach1.391.361.391.411.441.461.49
Effective top tube mmi490509526539559575590
Wheelbase mmi96697296798298410031020

Size for size

More Ostro VAM comparisons

Against the Ostro VAM 56, nearest size.

Seraph TT-X71 AeroCurrent56 · ±0 / ±03T Strada2026L · ±0 / +1ENVE Melee v256 · ±0 / +1Ridley Fenix DiscCurrentM · ±0 / ±0

More Tarmac SL8 comparisons

Against the Tarmac SL8 56, nearest size.

Canyon Ultimate CFR / CF SLX2021–26M · −5 / −2Specialized Tarmac SL72021–2356 · −10 / +3Trek Madone SLR / SL Gen 82024–26ML · −3 / −6Cannondale SuperSix EVOGen 5, 2026 on56 · ±0 / −2

Compare any two frames

Factor geometry chart (Ostro VAM) · Specialized geometry chart (Tarmac SL8) · Frame stack and reach to the head tube top · Size finder assumes a 100mm stem on 20mm spacers · Report an error