Our fleet of Bim2000 A-class catamarans all have Windslyce (Aus) traveler car systems on the standard curved track. They are starting to become high friction and probably need new balls or entire replacement. Does anyone know if they can use Haarken, Ronstan, or some other more readily available ball bearing? Anyone know about track compatability with the big brands (it is 3/4 inch wide)

Matt