Shimano RS500 Chainring - 52t 110 BCD 5-Bolt 11-Speed Black MFPN=11.6818.016.030 Each bottom bracket is hand

Each bottom bracket is hand assembled using a hollow chromoly spindle precision sealed bearings forged and CNC-machined alloy cups and a composite center spacer/seal

Relief channel provides increased protection for soft-tissue areas

Offset spoke nipples laced with uniform double-butted straight pull spokes achieve ideal wheel stiffness

Low profile low volume design is ideal for cycling shoes and other technical footwear

Shimano RS500 Chainring - 52t 110 BCD 5-Bolt 11-Speed Black MFPN=11.6818.016.030 Each bottom bracket is handShimano RS500 Chainring 52t 110 BCD 5 Bolt 11 Speed Black. These chainrings are designed for the Shimano FC RS500 crankset. TECH SPECS Color Black Ring Position Type Outer Tooth Count 52 Drivetrain Speeds 11 Chainring BCD 110 Defined Color Black