This is the locking collar for the non-drive side of a Fulcrum Racing Quattro (rim brake) rear wheel axle.
R4-019 Fulcrum Racing Quattro Rear Non Drive Spoke And Nipple
R4-018 Fulcrum Racing Quattro Rear Drive Side Spoke And Nipple
Fulcrum Racing Quattro Rear Hubshell with good bearings
R4-016 Fulcrum Racing Quattro Front Spoke And Nipple
FULCRUM RACING 77 Rear wheel
RT-018 Fulcrum Racing Sport Rear Drive Side Spoke And Nipple
