Testing the bikes of the starsCervélo S5

Jens Klötzer

 · 29.03.2022

Testing the bikes of the stars: Cervélo S5Photo: Team Jumbo-Visma
The aero weapon of the Jumbo-Visma team is already in its third season, but is still one of the aerodynamically fastest racing bikes in the pro peloton. That's why it deserves a place in the TOUR test of professional bikes.

Cervélo is consistently positioning the S5 as a Specialists for flat stages and sprint finishes. The distinctive cockpit with the split stem is unmistakable, but makes position adjustments a challenge for hobby mechanics.

Disadvantages on steeper climbs with Cervélo S5

This won't bother the sprinting pros - but the S5 has other disadvantages: the weight of the bike becomes a handicap on steeper climbs. In the test lab, we weighed a bike comparable to the team set-up - at 7.7 kilos, it weighed just under a kilo more than the lightest bikes in the field. Comfort hardly played a role in the development of the S5 either: the aero seatpost, which is almost vertical in the frame, offers hardly any significant suspension travel. On the other hand, powerhouses like the Belgian Wout van Aert can rely on a stiff chassis: High
The high stiffness values of the frame and the very stiff handlebars predestine the Cervélo S5 for sprinters.

Marianne Vos is a multi-talented rider and has already celebrated successes on both the Cervélo S5 (as pictured winning the 2021 Giro stage) and the R5.Photo: Getty ImagesMarianne Vos is a multi-talented rider and has already celebrated successes on both the Cervélo S5 (as pictured winning the 2021 Giro stage) and the R5.

For the drive and brakes, Jumbo-Visma relies on the tried-and-tested Dura-Ace groupset from Shimano.
Shimano, and Shimano models with different heights are also used for the wheels. If you want to fulfil your aero dream with team paintwork, you can even find it at the manufacturer: However, the S5 is only available in black and yellow as a frame set for self-assembly for just under €5,000.

Cervélo S5

  • Price approx. 12,000 euros
  • Info www.cervelo.com
  • Aerodynamics 205 watts
  • Complete weight 7.7 kilos
  • Frame/fork/steering bearing 1,012/319/133 grammes
  • Gearshift/brakes Shimano Dura-Ace Di2 2x12
  • Impellers Shimano Dura-Ace
  • Tyres Vittoria Corsa
Cervélo S5Photo: Team Jumbo-VismaCervélo S5

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Jens Klötzer is a qualified industrial engineer and TOUR's expert for components of all kinds: brakes, gears, wheels and tyres - Jens puts everything through its paces. He collects historic racing bikes and owns both a modern time trial bike and a titanium gravel touring bike. When travelling, he likes to explore unknown roads in Eastern Europe - on wide but fast tyres.

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