ROTOR Shimano Crank Chainring Bolts - Dura Ace 9100

Chainring cover bolts, DURA ACE DESIGN - to fit Shimano 9100 110 BCD 4 bolt mounting Qrings and QXL oval chainrings.

Specially designed flush fit cover bolts for Shimano 4 bolt Dura Ace cranks (9100)

These will fit Ultegra and 105 4 bolt cranks but may not be totally flush, they are specifically designed for Dura Ace.