On the Tour de Suisse over the weekend, FDJ and their Swiss TT specialist Stefan Küng debuted a brand new carbon WiIier Supersonica SLR bike within the opening time trial. Developed from scratch in a claimed 9 months, the brand new time path bike was created to help the French professional workforce and reduce drag by at the least 10% over WiIier’s current TT bike. Benefiting from the a lot deeper tube sections now permitted by the UCI, large fork spacing for smoother airflow, and user-customizable aero extensions for the right place on the bike, Wilier claims it’s really 16% quicker…
WiIier Supersonica SLR aero carbon time trial bike
With the brand new WiIier Supersonica SLR time trial bike, particulars are fairly good for a motorbike solely prepared in a single dimension, thus far. But it surely appears like FDJ, and particularly Stefan Küng, have been anxious to get racing the brand new bike, ASAP. It’s fairly frequent to see bike corporations rush to get a motorbike out racing as quickly as they’ll, so their riders have the quickest tech at their disposal for an important races. And in an Olympics yr, it appears that evidently these kind of releases are extra frenzied than ever.
What we do know, is that Wilier claims that their new aero carbon WiIier Supersonica SLR time trial bike is claimed to be 16% quicker than the prevailing Turbine SLR. That’s backed up by wind tunnel exams at 50km/hr.
And supported by actual using trials on the velodrome.
And it’s an entire redesign from the bottom up, actually solely sharing the idea of extending the fork in entrance of the headtube to satisfy the built-in stem and basebar cockpit…
How did it develop?
As the brand new bike sponsor of Groupama – FDJ, Wilier knew they wanted to replace their Turbine TT bike, having not seen a serious replace since 2018. With the more moderen obsolescence of the outdated UCI 3:1 rule, Wilier needed to go deep to remain updated with the competitors. So with FDJ and their skilled TT specialist Stefan Küng on board, they got down to fine-tune each aero element.
“I’m very completely happy and in addition very impressed by the work accomplished by Wilier. It was a really powerful problem… When the contract between Wilier and the workforce was signed in August 2023, they instantly centered 100% on the Supersonica undertaking. Growing a motorbike from scratch in 9 months is already a tough activity, however growing the most effective time trial bike in 9 months is much more so. Seeing all of the individuals who have been concerned, who’ve labored on it for such a very long time, who’ve adopted and listened to me, is a powerful motivation for me to present it my all on the day of the race. The bike is designed for velocity, you’ll be able to really feel it as quickly as you get on. After using the primary prototype in early 2024, we made some adjustments. The second prototype arrived quickly after and it responded completely to the requests I made. I can’t wait to experience it and, above all, to win!”
– Stefan Küng, Groupama – FDJ professional bike owner
What’s new?
There’s tons new on the Supersonica. Let’s begin with the deep aerofoil tube shapes. Virtually each tube includes a deeper profile than earlier than. The fork blades look to be greater than 3x deeper, plus glossy new flat mount brake integration and slightly lip smoothed into the downtube. The seattube will get a kinked design that tucks in nearer to the rear wheel. And a brand new deep aero seatmast eliminates the necessity for a traditional seatpost to maneuver up & down contained in the body.
Plus, the aero downtube now transitions into an built-in 550ml aero water bottle for even smoother airflow.
A better take a look at the shapes of those new tubes from the entrance the place they reduce into the wind, the tubes are all slim, however set large away from the spinning wheels. We’ve seen this most dramatically exhibited on current monitor bikes. However despite the fact that this TT bike remains to be designed round 26mm tires and to max out at a 28mm tire, the big clear house across the wheels is claimed to clean airflow to cut back drag the place there may be sometimes turbulent air coming off the spinning wheels.
Tech particulars
The brand new WiIier Supersonica SLR was developed as a devoted time trial race bike. But it surely additionally is ready to transition to triathlon, as nicely.
The FDJ race bikes are arrange with a 1x drivetrain. However there may be additionally a detachable entrance derailleur mount for 2x setups you’ll be able to see from the sooner indoor testing. Küng additionally raced with the saddle in a reasonably center place to satisfy UCI guidelines. However the brand new bike has a very lengthy saddle rail. It appears like as much as 13cm of adjustment to slip the saddle ahead or again, lots for many TT or Tri bike matches.
The brand new bike options fully-internal, electronic-only cable routing by way of the built-in cockpit and a straight 1 1/8″ headset with an inside steering high. It will get normal 12mm thru-axles, flat mount disc brakes, a pressfit backside bracket, and clearance for as much as 28mm tires. Claimed body weight is 1450g, plus one other 550g for the fork.
WiIier Supersonica SLR – Pricing, choices & availability
The brand new WiIier Supersonica SLR is offered now. But it surely’s accessible provided that you match the identical dimension bike as FDJ’s Stefan Küng. Wilier simply the one L/XL frameset prepared now. Two extra sizes XS/S & M will are available in 2025.
Body equipment’s alone promote for 9000€, together with body, fork, headset, basebar & seatmast topper.
Full bikes can be found from 20,500€. However that’s solely with a Shimano Dura-Ace Di2 groupset & Miche carbon wheels – a KleosRD Crono lenticular disc rear and SPX3 tri-spoke entrance – at a claimed 9.4kg. Profile Design ACS PRO aero extensions come normal. However for an additional 6900€, WiIier may also make you a set of absolutely customized extensions in both carbon or titanium. You get the complete skilled becoming expertise, similar to Küng.
