e*thirteen Helix R Chainring - 30t 11/12-Speed 3mm Offset SRAM 3-Bolt DM BLK CheckoutSpec= K-Guard The Ceramic Bearing Kit -

The Ceramic Bearing Kit - 7903 is engineered for Metron SL 55 and 40 Centerlock Disc Brake hubs offering enhanced rolling efficiency and durability

Includes (2) AAA batteries

}Magura MDR-C Disc Brake Rotor - Centerlock 203mm ABS Wheel Speed Sensor R70

No shift ramps- for single chainring use only

e*thirteen Helix R Chainring - 30t 11/12-Speed 3mm Offset SRAM 3-Bolt DM BLK CheckoutSpec= K-Guard The Ceramic Bearing Kit -e*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