Cervelo S5 Ultegra Di2 - 2026
Product details
| Management number | 235542980 | Release Date | 2026/07/02 | List Price | $2,999.70 | Model Number | 235542980 | ||
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The S5 is a sport-wide benchmark for speed and aerodynamic efficiency—with the race results to back it up. From Wout van Aert winning the Green Jersey by the biggest margin of victory in modern history, to Simon Yates riding himself into the maglia rosa, S5’s iconic V-stem and bayonet fork are a fixture at the front of the professional peloton. The new S5 builds on that legacy of speed by getting even faster.
The new bike is over 6 Watts faster than its predecessor, 124 grams lighter, and retains the handling, poise, and stability that riders everywhere love. The biggest changes are at the front of the bike, where the most significant aerodynamic performance comes from. The fork legs and head tube got quite a bit deeper, and the all-new, one-piece handlebar/stem builds on the original V-stem concept—and gets even faster.
Cervélo and Reserve co-developed the new Reserve 57|64 Turbulent Aero wheels specifically for use in the S5 frame, completing the aerodynamic system.
Specifications
| Ultegra Di2 $10,100Find it Locally |
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| Sizes | 48cm, 51cm, 54cm, 56cm, 58cm, 61cm |
| Weight | 7.59 kgs |
| Fork | Cervélo All-Carbon, Bayonet S5 Fork |
| 1-piece Handlebar/Stem | Cervélo HB19 Carbon |
| Handlebar Sizing | Size 48 - 36cm Size 51 - 38cm Size 54 - 40cm Size 56 - 40cm Size 58 - 40cm Size 61 - 40cm |
| Stem Sizing | Size 48 - 80mm Size 51 - 90mm Size 54 - 100mm Size 56 - 100mm Size 58 - 110mm Size 61 - 120mm |
| Seatpost | Cervélo SP34 Carbon |
| Seatpost Sizing | Size 48 - 0mm Size 51 - 0mm Size 54 - 0mm Size 56 - 0mm Size 58 - 15mm Size 61 - 15mm |
| Saddle | Selle Italia NOVUS BOOST EVO SuperFlow Ti |
| Bottom Bracket | FSA, BBright thread together for 24mm spindle |
| Headset | FSA IS2 1-1/8, 36° x 45° / 1-3/8, 36° x 45° |
| Front Thru Axle | Cervélo Aero Thru Axle Front, M12x1.5mm, 122mm length |
| Rear Thru Axle | Cervélo Aero Thru Axle Rear, M12x1.0mm, 169mm length |
| Front Wheel | Reserve 57TA, DT Swiss 240, 12x100mm, 24H, centerlock, tubeless compatible |
| Rear Wheel | Reserve 64TA, DT Swiss 240, 12x142mm, HG freehub 24H, centerlock, tubeless compatible |
| Tires | Vittoria Corsa Pro TLR G2.0 700x29c |
| Shifter/Brake Levers | Shimano Ultegra, R8170 |
| Crankset | Shimano Ultegra, R8100, 52/36T |
| Power Meter | 4iiii Precision Pro, GEN3+ Dual Sided |
| Crank Sizing | Size 48 - 165mm Size 51 - 165mm Size 54 - 170mm Size 56 - 170mm Size 58 - 172.5mm Size 61 - 172.5mm |
| Chain | Shimano M8100 |
| Cassette | Shimano Ultegra, R8100, 11-34T, 12-Speed |
| Front Derailleur | Shimano Ultegra, R8150 |
| Rear Derailleur | Shimano Ultegra, R8150 |
| Brake Rotors | Shimano CL800 Centerlock |
| Accessories | - Cervélo Front Computer/Accessory Mount 887 - Cervélo Rear Accessory Mount |
*Please note: price and parts spec information is subject to change.
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