Ronstan Track - Series 30 - Standard Profile, 3000mm L ronstan series 75 core block - stand-up kit no catch styling coupled with

no catch styling coupled with all cast 316 stainless steel construction and simple single hole

Quality Aftermarket Replacement for

Drag adjustment on all models

Internal mount

and the one-piece sheave with its captive ball bearings

Ronstan Track - Series 30 - Standard Profile, 3000mm L ronstan series 75 core block - stand-up kit no catch styling coupled withConvenient 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