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Cervelo S5 Ultegra Di2 brings electronic precision to a faster aero frame
Cervelo built the S5 Ultegra Di2 around a reworked carbon frame that trims drag and weight from the outgoing S5, with the biggest gains concentrated at the fork and head tube. Shimano's Ultegra Di2 groupset brings electronic shifting and a wide 11 to 34 tooth cassette to the build, so climbs and pace changes stay covered without a mechanical cable to maintain. The one-piece bar and stem carries that same aero focus into the front end, cutting bulk without adding extra hardware to dial in fit.
What Our Gearhead® Experts Are Saying:
"Three hours into a long ride, the Ultegra Di2 still shifts exactly the way it did in the first mile. I never have to think about cable stretch or a derailleur that's drifted out of tune partway through the day."
Heads up! We do our best to keep bike specs and images current, but occasional component changes can happen without warning, and sometimes the photos might not show the exact build you'll receive. If you want to double-check the details, our Gearhead® Experts are always here to help.
Details
- Aero road race bike for chasing every watt of free speed
- Race geometry — keeps the front end low for a sustained aero tuck
- One-piece Cervelo HB19 bar and stem — trims weight and tightens the front end
- Shimano Ultegra Di2 electronic shifting — consistent shifts that hold up over long rides
- 4iiii dual-sided power meter — bolts to the crank for data from day one
- Reserve 57 and 64 wheels — co-developed with Cervelo for this frame's aero profile
- Item #CVL1X6N
- Frame Material
- Carbon
- Fork
- Cervelo All-Carbon, Bayonet S5 Fork
- Headset
- FSA IS2 1-1/8 x 1-3/8, 36° x 45°
- Shifters
- Shimano Ultegra R8170, 12-speed
- Front Derailleur
- Shimano Ultegra R8150
- Rear Derailleur
- Shimano Ultegra R8150
- Crankset
- Shimano Ultegra R8100, 52/36T
- Chainring Sizes
- 52/36T
- Crank Arm Length
- [48] 160mm, [51] 165mm, [54] 170mm, [56] 170mm, [58] 172.5mm, [61] 172.5mm
- Bottom Bracket
- FSA, BBright thread together for 24mm spindle
- Cassette
- Shimano Ultegra R8100, 11-34T, 12-speed
- Cassette Range
- 11-34T
- Chain
- Shimano M8100
- Brakeset
- Shimano Ultegra
- Brake Type
- hydraulic disc, centerlock
- Rotors
- Shimano CL800 Centerlock
- Handlebar
- Cervelo HB19 Carbon, one-piece cockpit
- Handlebar Width
- [48] 36cm, [51] 38cm, [54] 40cm, [56] 40cm, [58] 40cm, [61] 40cm
- Stem Length
- [48] 80mm, [51] 90mm, [54] 100mm, [56] 100mm, [58] 110mm, [61] 120mm
- Saddle
- Fizik Arione R1
- Seatpost
- Cervelo SP34 Carbon
- Wheelset
- [front] Reserve 57TA, 24h / [rear] Reserve 64TA, 24h
- Hubs
- DT Swiss 240 Dicut, HG freehub
- Front Axle
- 12 x 100mm
- Rear Axle
- 12 x 142mm
- Tires
- Vittoria Corsa Pro TLR G2.0
- Tire Size
- 700 x 29c
- Pedals
- Not included
- Extras
- Cervelo Rear Accessory Mount, Cervelo Front Computer/Accessory Mount 887
- Claimed Weight
- 17.11lb (7.76kg)
- Activity
- Road cycling