Shimano Ultegra FC-R8100 Crankset - 172.5mm 12-Speed 50/34t Hollowtech II Spindle Interface BLK MFPN=EFCRX600102DX60 Color Black Lower Stack Height

Color Black Lower Stack Height 4 Bearing Type Cartridge Crown Race 30 Weight 66 Defined Color Black Upper Stack Height 15 S

Primary Color Red Gender Unisex Size XXL Core No Color Crimson Red

Pulley unit sold separately

Designed for Yaw front derailleurs

For use with caliper or cantilever brakes

Shimano Ultegra FC-R8100 Crankset - 172.5mm 12-Speed 50/34t Hollowtech II Spindle Interface BLK MFPN=EFCRX600102DX60 Color Black Lower Stack HeightShimano Ultegra FC R8100 Crankset 172. 5mm 12 Speed 50 34t Hollowtech II Spindle Interface Black. An integral part of the Shimano Ultegra 12 speed road lineup the FC R8100 crankset builds upon Shimanos legendary front shifting and transmission efficiency. With new refinements for seamless 12 speed shifting the Ultegra crank is now offered in a wide variety of lengths bringing performance and improved fit for smaller riders triathletes and riders with