ORIGIN8 Thruster 64/104mm BCD Chainring Set CHAINRINGS 211114
CHAINRING OR8 THRUSTER 64/104mm 28/40T 10/11s 4B SET BK Thruster 64/104mm BCD Chainring Set 888571055564 SETS 64/104mm 4-BOLT 64/104mm BCD 4-bolt chainring sets for MTB, Boost, and Fat applications Shifting ramps and stainless steel pins for smooth shifting 10 or 11 speed compatible Stamped AL2014-T6 alloy construction 64/104mm 4-Bolt 28/40T 2x AL2014 Black 10/11s Standard 28/40T BLACK