catena shimano dura ace xtr cn hg901 11s Length:116L 2:1 aerodynamic spokes 21F /

2:1 aerodynamic spokes 21F / 24R

Heart rate variability is used to calculate your stress level

eliminando tutte le parti hardware

* L’ANT privata è compatibile con i ciclocomputer ANT+ ma non con i profili aperti

Mozzo posteriore: Novatec Boost

catena shimano dura ace xtr cn hg901 11s Length:116L 2:1 aerodynamic spokes 21F /The SHIMANO Dura Ace XTR HG901 chain is a top of the line model that offers high level performance. It benefits from the best technologies of the Japanese brand, such as the Sil Tec surface treatment that significantly reduces friction for an even smoother and more durable transmission. The asymmetric plates ensure better operation of the front and rear derailleurs for a transmission that supports your performance. Specifications: Sil Tec technology