Shimano Ultegra FC-R8100 Crankset - 172.5mm 12-Speed 52/36t Hollowtech II Spindle Interface BLK ISO Width (mm)-117 internally tapered core and single

internally tapered core and single locking end

Swift 300:

8 Length 12 Defined Color Silver

Proven tread design used by Vittoria teams in the World Tour

Designed to noticeably soften any gravel or mixed-surface road these posts make great enhancements by reducing the chatter transmitted from the surface to the rider

Shimano Ultegra FC-R8100 Crankset - 172.5mm 12-Speed 52/36t Hollowtech II Spindle Interface BLK ISO Width (mm)-117 internally tapered core and singleShimano Ultegra FC R8100 Crankset 172. 5mm 12 Speed 52 36t 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