for US Continental orders over $99
Ronstan Ball Bearing (30mm) are used with mainsheet traveller and genoa sheeting systems to create purchase systems for easy adjustment of car position under load. Control end sheaves are 50mm (2 in) diameter and suit up to 8mm (5/16 in) rope.Applications:
- Mainsheet systems on boats to 18m (60ft).
- Self tacking jib sheet systems on boats to 11m (36ft).
- Genoa sheet systems on boats to 17m (56ft).
- Alloy body.
- Grade 316 stainless steel cheeks.
- Acetal sheave.
- Rubber buffers.
MAURIPRO Sailing; your direct access to shop for Ronstan Ball Bearing (30mm). Chat with us regarding any sailboat equipment inquiries.