Bolt pattern: 4 bolt.
Shimano 105 Outer Chainring 50T FC-5800 11 Speed 110mm BCD Y1PH98090
Shimano 105 R7000 34t & 50t Inner /Outer Chainring 2 x 11 Speed
Shimano 105 FC-5800 52t MB Outer 110 BCD 4 Bolt Chainring 11 Speed Black Ref S2
Shimano 105 FC-R7000 50t MS Outer 110 BCD 4 Bolt Chainring 11 Speed Silver Ref42
Shimano 105 FC-R7000 52t MT Outer 4 Bolt Chainring 11 Speed Silver - Ref 17
