Shimano Ultegra FC-R8100 Crankset - 172.5mm 12-Speed 52/36t Hollowtech II Spindle Interface BLK ISO Width (mm)-117 1 Chain - 8-Speed 116

1 Chain - 8-Speed 116 Links Gray

4 1 1/8" Aluminum Red

Swift 300:

8 Length 12 Defined Color Silver

model DX w/ Frame Clip length 150mm x 85mm color black

Shimano Ultegra FC-R8100 Crankset - 172.5mm 12-Speed 52/36t Hollowtech II Spindle Interface BLK ISO Width (mm)-117 1 Chain - 8-Speed 116Shimano 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