2026 Cervelo CALEDONIA Rival AXS BikeBuild Specs Fork Cervlo All Carbon, Tapered Caledonia Fork Shifters SRAM Rival AXS E1 Crankset SRAM Rival AXS E1, 48 35T, DUB Bottom Bracket SRAM DUB, T47 BBright Headset FSA IS2 1 1 4, 45 x 45 1 1 2, 36 x 45 Bars Cervlo HB23 alloy 400mm Stem Cervlo ST36 Alloy Saddle Cervlo Saddle Handlebar Sizing 48cm 38cm 51cm 38cm 54cm 40cm 56cm 40cm 58cm 42cm 61cm 42cm Stem Sizing Size 48 80mm Size 51 90mm Size 54 100mm Size 56 100mm Size 58 110mm Size 61 110mm