Camere d'aria Revoloop Race 700 x 18/28C Variant:Presta 80 mm Trek's lightest road helmet is

Trek's lightest road helmet is now even lighter: fewer grams

Telaio della sella in acciaio

The gel inside the padding

Pedivelle Shimano EP5000 CK-758 JIS 165mm

Batteria: Bosch PowerTube 625 Vertical

Camere d'aria Revoloop Race 700 x 18/28C Variant:Presta 80 mm Trek's lightest road helmet isREVOLOOP. race is the lightweight inner tube for the most agile and demanding cyclists. This road bike inner tube weighs only 39 grams and, thanks to the specific thermoplastic polyurethane blend, it is at the same time much more durable than a standard butyl inner tube. The reduced weight decreases the rotating mass on the wheel and makes you more agile in sprints and on the track. The valve is made of impact and break resistant thermoplastic