Ronstan Track - Series 19 - Gate Track, 325mm (12 13/16") long Switches select if your flap is

select if your flap is 88mm or 94mm dia rubber

yet boasts a beefy vinyl-coated double J-hook

Acetal ball bearings

Gland Resealing

light weight and non corrosive

Ronstan Track - Series 19 - Gate Track, 325mm (12 13/16") long Switches select if your flap isPatented 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 distance from mast to mainsail luff enhances mainsail efficiency. With a complete range of car profiles and feet there is