Example of rotor adapter shown in item 8 photos (example rotor and lockring not included). Lockrings and 6 bolt rotor adaptors listed as pictured.
VGEBY Bike Center Lock Accessory, Wear-resistant Centerlock Lockring Lock Cover Center Lock Wheelset Hub Barrel Shaft Disc Rotor Lock Ring for Bike Mountain Bike(gold) Bicycles And Spare Parts Ride
Shimano SM-HB20 15/20mm Axle Hub Centerlock Rotor Lockring
Shimano 203mm Disc Rotor RT-EM600 - Centerlock - Ext. Lockring, STEPS like SLX
Shimano SM-HB20 Centerlock Rotor Lockring - Black
1/2pcs Shimano Dura-Ace/UT/105 Internal Disc Brake Centerlock Alloy Lockring
