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Cone races ground by a Cubic Boron Nitride tool for smooth rolling durability
Shimano Rear Derailleur Parts Miscellaneous Rear Derailleur Part UPC: 689228400092
Two-finger trigger valve for precise air flow regulation
The Topeak MidLoader carries the heaviest items for your bike adventure
an adjustable multi-position visor
Shimano Ultegra FC-R8100 Crankset - 172.5mm, 12-Speed, 52/36t, Hollowtech II Spindle Interface, Black wheels-manufacturing Cone races ground by aAn integral part of the Shimano Ultegra 12 speed road lineup, the FC R8100 crankset builds upon Shimano's 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 specific biomechanic requirements. 148mm Q factor 44. 5mm chainline Optimal balance of