Shimano Ultegra FC-R8100 12-Speed Chainring - 52t Asymmetric 110 BCD BLK NH MFPN=IRDM815012SGS 0mm 281mm J-bend Black Box

0mm 281mm J-bend Black Box of 100

Color Silver/Black Range 11-42 Cassette Cogs 11-13-15-17-19-21-24-28-32-37-42 Cassette Body Type Shimano/SRAM 8 9 10 Speed Drivetrain Speeds 11 Weight 476 Designed for ebike Yes Defined Color Silver

Color Black Defined Color Black Gender/Age Adult Pad Type Reactive Polymer Protection Area Elbow Size Large

SXg SLR CB Carbon Chain GuideFull-sized upper and lower guides with quiet TPU co-molded inne

Shimano Ultegra FC-R8100 12-Speed Chainring - 52t Asymmetric 110 BCD BLK NH MFPN=IRDM815012SGS 0mm 281mm J-bend Black BoxShimano Ultegra FC R8100 12 Speed Chainring 52t Asymmetric 110 BCD Black NH. Shimano Ultegra FC R8100 chainrings are constructed with high quality aluminum and are compatible with FC R8100 and FC 8100 P 2x 12 speed cranksets. Asymmetric 110 BCD Compatible with HG 12 speed chains TECH SPECS Ring Position Type OuterTooth Count 52Drivetrain Speeds 12Chainring BCD 110 Shimano AsymmetricMaterial Aluminum w Carbon WrapColor BlackDefined Color Black