Daniel Oss is on a new team this year, and that means a new bike too (Image credit: Colin Levitch / Immediate Media)
The Di2 junction box's rubber band is stretched to its limit around the PRO Vibe Sprint stem (Image credit: Colin Levitch / Immediate Media)
Peter Sagan is sponsored by SupaCaz, hence why his team is using the brand's bar tape (Image credit: Colin Levitch / Immediate Media)
No sprint shifters for Oss, just the standard shifters (Image credit: Colin Levitch / Immediate Media)
With a seat height of 820mm, there is a mile of seatpost sticking out of Oss' frame(Image credit: Colin Levitch / Immediate Media)
Last year the majority of the teams were riding Ultegra cassettes, this year all but one are on Dura-Ace (Image credit: Colin Levitch / Immediate Media)
Stealthy PRO Vibe bars for Oss (Image credit: Colin Levitch / Immediate Media)
The Italian is riding Dura-Ace pedals(Image credit: Colin Levitch / Immediate Media)
The new Tarmac features direct mount brakes (Image credit: Colin Levitch / Immediate Media)
A custom K-Edge mount for Oss' Wahoo computer (Image credit: Colin Levitch / Immediate Media)
And a chain keeper too (Image credit: Colin Levitch / Immediate Media)
The Bora team had plenty of GoPros for their training rides (Image credit: Colin Levitch / Immediate Media)
The Tarmac SL6 is the latest of many road bikes to feature dropped seatstays (Image credit: Colin Levitch / Immediate Media)
He's riding 53/39T chainrings with 172.5mm cranks(Image credit: Colin Levitch / Immediate Media)
We initially spotted the Specialized Powermeter on Peter Sagan's bike, but the whole Bora squad is using the units (Image credit: Colin Levitch / Immediate Media)
At the back is the stealthy looking Dura-Ace R9150 rear derailleur(Image credit: Colin Levitch / Immediate Media)
The PRO Vibe Sprint stem is beefy (Image credit: Colin Levitch / Immediate Media)
Oss' saddle of choice is the Roman Evo (Image credit: Colin Levitch / Immediate Media)
A small mark denotes Oss' setback (Image credit: Colin Levitch / Immediate Media)
Bora is using Tacx bottles and cages for 2018 (Image credit: Colin Levitch / Immediate Media)
Front shifting duties are taken care of by a Dura-Ace R9150 front derailleur (Image credit: Colin Levitch / Immediate Media)
26mm S-Works Turbo tubs for the Italian (Image credit: Colin Levitch / Immediate Media)
No rattly valves here (Image credit: Colin Levitch / Immediate Media)
Ahead of the race the majority of the Bora squad was riding Roval's CLX50 Rapide hoops(Image credit: Colin Levitch / Immediate Media)
With a change in team, the Italian rider also has a new S-Works Tarmac SL6 in a size 58. And he's running the yet-to-be-launched dual-sided Specialized power meter on his 172.5mm cranks.
We initially spotted the Specialized Powermeter on Peter Sagan's bike, but the whole Bora squad is using the units
Oss's new bike is equipped with a full Shimano Dura-Ace R9150 drivetrain, complete with 53-39T chainrings at the front and a Dura-Ace 11-28T cassette at the back.
At the front, the entire Bora-Hansgrohe team are running the burly PRO Vibe Sprint stems and Oss's bike features 420mm PRO Vibe bars wrapped in Supacaz Super Sticky Kush bar tape.
At the back, atop the new D-shaped seatpost used in the new Tarmacs is an S-Works Romin Evo saddle.
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K-Edge features heavy on the Italian's bike
K-Edge features heavy around Oss's bike with a Race Mount for his Wahoo Elemnt Bolt, as well as a chain catcher and GoPro mount, which the mechanic told us was only for the training rides and wouldn't be used during the race.
Rolling on Roval's CLX50 Rapide hoops with upgraded CeramicSpeed bearings, finished with 26mm S-Works Turbo tubulars with the Gription compound tread.
Click or swipe through the gallery above for a detailed look at the world champion's custom machine.
S-Works Tarmac SL6 bike specifications
Frame: S-Works Tarmac SL
Fork: S-Works Fact Carbon
Stem: PRO Vibe Sprint, 140mm
Handlebar: PRO Vibe 420mm
Tape: Supacaz Super sticky Kush
Front brake: Shimano Dura-Ace R9110 direct mount
Rear brake: Shimano Dura-Ace R9110 direct mount
Front derailleur: Shimano Dura-Ace R9150
Rear derailleur: Shimano Dura-Ace R9150
Brake/shift levers: Shimano Dura-Ace R9150
Cassette: Shimano Dura-Ace 11-28T
Chain: Shimano Dura-Ace
Crankset: Shimano Dura-Ace R9100 with Specialized Powermeter, 53/39T
Wheelset: Roval CLX50 Rapide with CeramicSpeed bearings
