Nacra F18 Infusion Sta Master Toggle Fitting.
Put these between the threaded stay bolt and the sta-master to allow movement in both directions.
Designed to reduce fatigue on the Stay Threaded Bolts.
A must have retro fit to avoid stay master breakages.
You will initially need 2, one per side on the sidestay sta masters.
See photos for fitting detail.
32mm between centres of both pins. If you existing side stays are stretched you may need new stays, otherwise you will run out of adjustment.
*note this the unijoint fitting only and excludes stamaster adjusters and side stay bolt as shown in one photo*