SHIMANO XT SS CHAINRING-30T SM-CRM81New 3D composite chain ring's teeth composition is optimized for each chainwheel load Dynamic Chain Engagement (DCE): Designed to provide superior chain retention, lower driving sound and increased durability Steel driving gear teeth and aluminum support gears Designed for 1x drivetrains No ramps are pins Enhanced chain retention Bolt Circle Diameter: 4x96mm

The plant-based BiO-Matter®* frame material provides lightweight comfort and durability

and city streets

Crank Arm Material: Aluminum

Speed: 10 Speed

Weight Front : 767 g

Shimano's SLX Dyna-Sys 10-Speed Front Derailleur sports a lightweight aluminum cage that's chrome plated to reduce wear

Be fast and aerodynamic with the 65 mm profile

Chainrings are direct mount for weight reduction and improved power transfer

Chainline: 55 mm

Bead: Butyl

Ergonomic dual compound handle

- Max chainring teeth: 11T