Ronstan Track - Series 19 - Luff Groove, Gate Track LS Securely locks in either up

Securely locks in either up or down position

21mm diameter

gooey or gum up

Durable ABS plastic housing

Ronstan Track - Series 19 - Luff Groove, Gate Track LS Securely locks in either upConvenient 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