Shimano Ultegra FC-R8100 Crankset - 172.5mm 12-Speed 52/36t Hollowtech II Spindle Interface BLK Pad Shape Number-54 } Larger platform aluminum body

} Larger platform aluminum body with 2-sided clipless mechanism for DH/AM use

description SJ01 fits model Stumpjumper 26"

Shimano H03C Metal Disc Brake PadsCompatible with Shimano models: BR-M8020 BR-M820 BR-M640

axle and 34 tooth spiderless ring)

Shimano Ultegra FC-R8100 Crankset - 172.5mm 12-Speed 52/36t Hollowtech II Spindle Interface BLK Pad Shape Number-54 } Larger platform aluminum bodyShimano 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