e*thirteen Helix R Chainring - 30t 11/12-Speed 3mm Offset SRAM 3-Bolt DM BLK CheckoutSpec= K-Guard No shift ramps- for single

No shift ramps- for single chainring use only

Clamp Style Standard Rails Color Black Defined Color Black Diameter 27

Elliptical chainring shape provides better efficiency in the recovery zone as well as increased traction thanks to consistent torque

Choose from two sizes to fit small or large hands

Color Black Misc Downtube Integrated Battery

e*thirteen Helix R Chainring - 30t 11/12-Speed 3mm Offset SRAM 3-Bolt DM BLK CheckoutSpec= K-Guard No shift ramps- for singlee*thirteen Helix R Chainring 30t 11 12 Speed 3mm Offset SRAM 3 Bolt DM Black. The e*thirteen Helix R 3 Bolt Direct Mount Chainrings engineered for SRAM 3 Bolt crank systems merge aesthetics with robust durability. e*thirteens narrow wide tooth profile ensures compatibility with Shimano and SRAM 11 and 12 speed drivetrains. Manufactured from AL 7075 T6 aerospace grade aluminum the rings are CNC sculpted to provide low weights. Elevate your 3 Bolt