VoR Hollowgram
Made from the best aluminium alloy (Ergal7075-T6), they undergo various CNC machining processes and are subjected to severe tests to guarantee maximum performance on the most important World Cup race courses.
All our crowns undergo an anodic treatment to increase surface hardness and improve resistance over time.
Characterised by an extremely light weight, it features narrow-wide synchronised teeth, which keep the chain in place perfectly, even in the most difficult situations, and make the need for chainrings superfluous.
the use of chain guide.
