e*thirteen Helix R Chainring - 30t 11/12-Speed 3mm Offset SRAM 3-Bolt DM BLK MFPN=100611131 Kona Orbit nucleation that provides

Kona Orbit nucleation that provides better head retention

model Frequency description MS 12sp FH body w/12x142/148/157mm end cap

pushing pistons back into the caliper

Finger pulls for easy removal

e*thirteen Helix R Chainring - 30t 11/12-Speed 3mm Offset SRAM 3-Bolt DM BLK MFPN=100611131 Kona Orbit nucleation that providese*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