S5 Ultegra Di2 2026 Read more.
| Fork | Cervélo All-Carbon, Bayonet S5 Fork |
| Headset | FSA IS2 1-1/8, 36° x 45° / 1-3/8, 36° x 45° |
| Seatpost | Cervélo SP34 Carbon |
| Seatpost Sizing | Size 48 - 0mm, Size 51 - 0mm, Size 54 - 0mm, Size 56 - 0mm, Size 58 - 15mm, Size 61 - 15mm |
| Left Shifter/Brake | Shimano Ultegra, R8170 |
| Right Shifter/Brake | Shimano Ultegra, R8170 |
| Front Derailleur | Shimano Ultegra, R8150 |
| Rear Derailleur | Shimano Ultegra, R8150 |
| Brake Rotors | Shimano CL800 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 | FSA, BBright thread together for 24mm spindle |
| Crankset | Shimano Ultegra, R8100, 52/36T |
| Crank Sizing | Size 48 - 165mm, Size 51 - 165mm, Size 54 - 170mm, Size 56 - 170mm, Size 58 - 172.5mm, Size 61 - 172.5mm |
| Power Meter | 4iiii Precision Pro, GEN3+ Dual Sided |
| 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 |
| 1-piece Handlebar/Stem | Cervélo HB19 Carbon |
| Saddle | Selle Italia NOVUS BOOST EVO SuperFlow Ti |
| Cassette | Shimano Ultegra, R8100, 11-34T, 12-Speed |
| Chain | Shimano M8100 |
| 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 |
| Tire | Vittoria Corsa Pro TLR G2.0 700x29c |
| Max Tire Width | 34mm |
