Shimano Ultegra FC-R8100 Crankset - 172.5mm 12-Speed 50/34t Hollowtech II Spindle Interface BLK MFPN=EFCRX600102DX60 TOP TUBE LENGTH: 18

TOP TUBE LENGTH: 18

For use with caliper or cantilever brakes

BoXXer top crown sizing reference (head tube+headset): short (3/4 inch drop): under 160mm/tall (2 inch drop): 160-190mm

Pulley unit sold separately

“MagnaDrive” Magnetic driver for increased performance and reliability

Shimano Ultegra FC-R8100 Crankset - 172.5mm 12-Speed 50/34t Hollowtech II Spindle Interface BLK MFPN=EFCRX600102DX60 TOP TUBE LENGTH: 18Shimano 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