Ronstan Series 40 BB Double Block w/ Swivel Head & Becket Andersen Winch Service Kits a free-spin bearing and self-aligning

a free-spin bearing and self-aligning head to reduce friction and increase efficiency by up to 40% over budget blocks on mainsheet systems

E Scow Envelope Cover

C2 Mast Bag w/ Shroud

Service Kit - Kit 1 - Click Here for Service Kit

Ronstan 75mm Single Core Block

Ronstan Series 40 BB Double Block w/ Swivel Head & Becket Andersen Winch Service Kits a free-spin bearing and self-aligningProduct Description Ronstan Series 40 BB Double Block w Swivel Head & Becket Sheaves running on Acetal or Torlon ball bearings provide high performance & low friction. The 2 stage ball bearing system provides consistent performance over the full load range. Features: Low friction Acetal or Torlon bearing system Lightweight Cheek cut outs for easy bearing maintenance Specifications: Sheave 1 9 16 in. (40mm) Max. Rope 3 8 in. (10mm) Max. Cable in (mm)