Shimano Ultegra FC-R8000 Crankset - 172.5mm | 50/34t Shoe Covers with the left and right

with the left and right cups both using right-hand threading per the Italian standard rather than the left-hand drive side thread of English BSA bottom brackets

maintaining consistent air distribution at the lower pressures these wide tires run

the RT-CL900 is the standard size for road disc setups

sized one-size to fit across the Syncros computer mount range

compatible with all standard bottle cage mounts

Shimano Ultegra FC-R8000 Crankset - 172.5mm | 50/34t Shoe Covers with the left and rightHow does the Shimano Ultegra FC R8000 crankset fit an 11 speed build? The Shimano Ultegra FC R8000 crankset is the 2x11 speed road crank that anchors a mechanical Ultegra R8000, 105, or Dura Ace drivetrain. It is built around Hollowtech II, the hollow forged aluminum crank arm and 24mm steel spindle design that Shimano tunes for the best balance of stiffness, low weight, and efficient power transfer. This is the 172. 5mm arm in black with 50 34T