Fixing Bolt. Genuine Shimano parts ensure smooth operation and optimal performance.  Y1E511100

in Freeride and DH rated cranks, now lighter and stiffer Forged 7050 aluminum crank with... CK16AA170BLU

for with the lighter, stiffer, stronger, and more durable XX1 Eagle Crank Arm Assembly. Carbon Tuned for maximum power transfer and efficiency while paired with a simple yet effective DUB-powered bottom bracket ...

self-extractor cap with washer (sold each or in pairs depending on application)... 11.6915.027.000

bolt for a wide variety of crank sets. Sold as a pair.