Cervelo S5 Red AXS 2026

The fastest bike on the world tour, made faster. Meet the new S5, taking full advantage of relaxed UCI aero rules all while being 125 grams lighter. 

6.5 Watts faster than it's already fastest predecessor, and 8.7 watts faster than it's nearest competitor.

Featuring one piece cockpits and revised Reserve 57/64 wheels with DT Swiss hubs, no bike is faster on the flat.

PLUS all Sram Red AXS builds include a Hammerhead Karoo 3!!

Fork Cervélo All-Carbon, Bayonet S5 Fork
Headset FSA SL IS2 1-1/8, 36° x 45° / 1-3/8, 36° x 45°
Seatpost Cervélo SP34 Carbon
Seatpost Sizing 48cm - 0mm, 51cm - 0mm, 54cm - 0mm, 56cm - 0mm, 58cm - 15mm, 61cm - 15mm
Left Shifter/Brake SRAM Red AXS E1
Right Shifter/Brake SRAM Red AXS E1
Front Derailleur SRAM Red AXS E1
Rear Derailleur SRAM Red AXS E1
Brake Rotors SRAM Paceline X Centerlock
Front Thru Axles Cervélo Aero Thru Axle Front, M12x1.5mm, 122mm length
Rear Thru Axles Cervélo Aero Thru Axle Rear, M12x1.0mm, 169mm length
Bottom Bracket SRAM DUB Ceramic, BBright
Crankset SRAM Red AXS E1, 50/37T, DUB, with power meter
Crank Sizing 48cm - 165mm, 51cm - 165mm, 54cm - 170mm, 56cm - 170mm, 58cm - 172.5mm, 61cm - 172.5mm
Handlebar Sizing 48cm - 36cm, 51cm - 38cm, 54cm - 40cm, 56cm - 40cm, 58cm - 40cm, 61cm - 40cm
Stem Sizing 48cm - 80mm, 51cm - 90mm, 54cm - 100mm, 56cm - 100mm, 58cm - 110mm, 61cm - 120mm
1-piece Handlebar/Stem Cervélo HB19 Carbon
Saddle Selle Italia NOVUS BOOST EVO SuperFlow Carbon
Cassette SRAM Red E1, 10-33T, 12-Speed
Chain SRAM Red E1
Front Wheel Reserve 57TA, DT Swiss 180, 12x100mm, 24H, centerlock, tubeless compatible
Rear Wheel Reserve 64TA, DT Swiss 180, 12x142mm, XDR freehub, 24H, centerlock, tubeless compatible
Tire Vittoria Corsa Pro TLR G2.0 700x29c
Max Tire Width 34mm
Accessories Cervélo Front Computer/Accessory Mount 887, Cervélo Rear Accessory Mount, Hammerhead Karoo 3