If you want to use the traditional two cages, then you need to use the two higher boltsThe old S5 could not handle anything bigger than 23mm in the rear. That said, they are flexible-carbon-fairing, aluminum clinchers; not a top-shelf pairing for such a high-performance frame like the company’s all-carbon Stinger wheels would be, for example.

You've been subscribed to our newsletter. In any event, the improvements are immediately noticeable.

But just as the S5 has improved its real-world characteristics as well as its aero numbers with each revision, we look forward to watching the progression of Cervélo’s handlebar, too. But while the last iteration of the S5 delivered impressively low-drag numbers in the wind tunnel, its front-end handling was a little wishy-washy and the head tube was curiously tall for a bike hellbent on race performance. Sign in to manage your newsletter preferences Cervélo S5 Disc Ultegra £4,899.

GBP £0 RRP

Full internal cable routing, a custom bar and stem, riding position, and special frame shapes work together to reduce drag and improve aerodynamics. Reach

Instead, we’ve used things like 25-degree fibers and given them a little bit of a twist to deflect some of the impacts.

Neither affect the ride or handling, of course, but they do clean up the bike’s aesthetics.The old S5 got knocked by racers for the tall head tube and laterally soft front end.

The original Cervelo S5 was a ground-breaking design, widely hailed as the best aero road bike on the market. While opening a Clif Bar, we dropped down to this stance with arm warmers on, and nearly slid off the front of the bike. Cervelo All-Carbon, Tapered S5 Fork For Disc / Cervélo All-Carbon, Tapered S5 Fork For Disc FSA IS2 1 x 1-3/8 ENVE SES 5.6 Disc, 24h (F), 24h (R), 20/19mm IW, Center-Lock, Tubeless Ready

The head tube is now a claimed 35 percent stiffer, and the fork 17 percent laterally stiffer, bringing the bike up to par with the company’s R5. The problem with that is it doesn’t lend itself to comfort. Already have an account with us?

Exacerbating the situation is the absence of bar tape. Handling markedly improved on a very aero bike, but aero-over-practicality bar choice is limiting. We never once wished, ‘if only the small ring was Shimano’s Dura-Ace Di2 9070 group is best in class. Standover Height

We dedicated years of R&D to make the P-Series the most aerodynamic, user-friendly, and stiff triathlon and time trial bikes on the market.For the T-Series, we applied what we've learnt from years of engineering the fastest TT/triathlon bikes to create the ultimate track racing framesets.A carbon frameset built for the extreme demands of track cycling.From ultralight to ultra-versatile, our road bikes are designed to make riders faster.This supreme all-round racing machine sets new benchmarks for lightness, stiffness, and confidence-boosting handling.Aerodynamics are critical to engineering a fast bike: aero drag accounts for as much as 90% of the overall resistance affecting a rider. According to company CFD calculations, a bike’s handlebar contributes roughly 30 percent of its total drag. The tops are quite a handful, even for larger ridersRotor has long been a parner for Cervelo. Cervélo got out front early in the aero game, attacking the market in 2001 with its Soloist that evolved into the S5. Cervélo reworked the geometry, steerer dimensions, and carbon lay-up to address this shortcoming. Cervélo S5 Disc Dura Ace Di2 £9,699. Interest Free Credit. We also inadvertently discovered that you lose the praying mantis, forearms-on-tops position with this bar. Reach to the levers is easy in both the drops and on the hoods.Riding on the flat, 3:1 ratio tops, however, is only tolerable. For 2015, Cervélo engineers addressed those latter two points; front-end stack numbers are now in line with competitors’ race bikes, and We tested the new S5 Dura-Ace Di2 build over two days in Arizona.