Cervélo S5 Ultegra DI2 five black 2026

Cervélo S5 Ultegra DI2 five black 12-speed carbon aero bike 2026

The Cervélo S5 Ultegra DI2 five black 2026 continues to dominate when it comes to aerodynamic performance. A favorite with the biggest names in the peloton, like Wout van Aert and Simon Yates, this high-end race bike returns with even sharper lines, an optimized one-piece cockpit, and Reserve 57|64 wheels designed specifically for this frame. It's 6.3 watts faster, 124 grams lighter, and just as stable as ever. Equipped with the Shimano Ultegra Di2 12-speed electronic groupset and a 4iiii power meter, this S5 has everything to appeal to demanding cyclists looking for a high-performance, modern bike.

Available sizes

48cm, 51cm, 54cm, 56cm, 58cm, 61cm

Fork

Cervélo all-carbon, Bayonet S5 model

Headset

FSA IS2: top 1-1/8 (36° x 45°) / bottom 1-3/8 (36° x 45°)

Seat post

Cervélo SP34 carbon

Saddle

Selle Italia Novus Boost EVO SuperFlow saddle with titanium rails

Front derailleur

Shimano Ultegra Di2 R8150

Rear derailleur

Shimano Ultegra Di2 R8150

Cassette

Shimano Ultegra R8100, 11-34 teeth, 12 speed

Chain

Shimano M8100

Crankset

Shimano Ultegra R8100, 52/36 teeth, with 4iiii Precision Pro GEN3+ power meter (dual measurement)

Bottom bracket

FSA threaded BBright for 24mm axle

Tires

Vittoria Corsa Pro TLR G2.0 700 x 29c

Maximum tire width

34 mm (measured)

Accessories supplied

• Front mount for computer or accessory (Cervélo Computer Mount 887)
• Cervélo Rear Accessory Mount

One-piece handlebar and stem

Cervélo HB19 Carbon with “Plus-Four” geometry

Hanger width by size

• 48 cm : 36 cm
• 51 cm : 38 cm
• 54 cm : 40 cm
• 56 cm : 40 cm
• 58 cm : 40 cm
• 61 cm : 40 cm

Stem length depending on size

• 48 cm: 80 mm
• 51 cm: 90 mm
• 54 cm: 100 mm
• 56 cm: 100 mm
• 58 cm: 110 mm
• 61 cm: 120 mm

Seatpost offset by size

• 48 cm: 0 mm
• 51 cm: 0 mm
• 54 cm: 0 mm
• 56 cm: 0 mm
• 58 cm: 15 mm
• 61 cm: 15 mm

Front thru axle

Cervélo Aero Thru Axle, M12 x 1.5mm, 122mm Length

Rear thru axle

Cervélo Aero Thru Axle, M12 x 1.0 mm, length 169 mm

Front wheel

Reserve 57TA, DT Swiss 240 hub, 12 x 100 mm, 24 spokes, centerlock mounting, tubeless compatible

Rear wheel

Reserve 64TA, DT Swiss 240 hub, 12 x 142 mm, HG freehub body, 24 spokes, centerlock mount, tubeless compatible

Gear levers / brakes

Shimano Ultegra R8170, with hydraulic disc brake

Crank length depending on size

• 48 cm: 165 mm
• 51 cm: 165 mm
• 54 cm: 170 mm
• 56 cm: 170 mm
• 58 cm: 172.5 mm
• 61 cm: 172.5 mm

Brake discs

Shimano CL800, centerlock mount

How much does this bike weigh?

Weight is not generally listed, as slight variations are common. Each product is handmade, the paint is applied manually, and the weight may vary depending on the frame size. You can check customer reviews to get an idea of the weight, or ask our LVR Cycles technicians to weigh it for you, if the bike is in store.

Please note that the specifications may be changed without prior notice by the manufacturer, based on the availability of components and other factors.