SL Guidering Options:Direct Mount SL Guidering - 10/11/12-speed, 30T, Narrow Wide, Black Adjustable for all bikes and

Adjustable for all bikes and 3 selectable resistance levels allow for customizable training sessions

race course or jumps while maintaining a light weight and unobtrusive fit

Sweat Glide System with EVA wicking foam and 2-piece Ionic comfort liner

even on city streets

Lower friction IFP allows for faster actuation of the post and less force needed

SL Guidering Options:Direct Mount SL Guidering - 10/11/12-speed, 30T, Narrow Wide, Black Adjustable for all bikes andDirect Mount SL Guiderings from e*thirteen use the Quick Connect interface. Crafted from 7050 aluminum, these rings are lightweight and durable, feature minimal aesthetics, and have an updated M3 narrow wide tooth profile. Weight: 61 g