Ronstan Track - Series 30 - Joiner control Base is 108mm (4 1/4")

Base is 108mm (4 1/4") x 38mm (1 1/2")

(when viewed from rear of boat)

ball bearing

live bait tank circulation and dockside pump out

Shaft diameter of 16mm

Ronstan Track - Series 30 - Joiner control Base is 108mm (4 1/4")Convenient track mounting slugs are available for fitting standard profile track to the luff groove of existing masts. Patented system uses low profile cars running on twin races of acetal ball bearings. Cars use the existing luff groove of the mast (no track or installation work required). Ball bearings are captive for easy loading and unloading of cars from mast. They can be easily switched between fully battened and soft luff mainsails. Minimum