ROTOR Direct Mount Spider for Aldhu Cranks (BCD 110x5) BX PSI The Corsa has been the

The Corsa has been the pro-race-team choice for many years

It also does not require chain tensioner when using in singlespeed application

Material: Aluminum w/ machined finish

Extremely water-repellent

ROTOR Direct Mount Spider for Aldhu Cranks (BCD 110x5) BX PSI The Corsa has been theThe ROTOR 110x5 BCD spider includes our Direct Mount technology for chainrings with 110x5 bolts standard. Combined with our power meters 2INpower , INpower , ALDHU or VEGAST cranks and Q RINGS oval chainrings or Round chainrings, the innovative spider includes refined OCP Mount technology so you can now adjust your optimal chainring position by precise one degree increments. Specifications Black Anodized Alu7075 CNC Direct Mount OCP Mount Compatible