80 mm Roller Bearing Block - Single, Halyard, permanent backstay S30 Mounting: 2xM4

Mounting: 2xM4

The side consoles

Ball bearings in stainless steel and a 2 mm / 550 mm Dyneema lashing included

SubType: standup single

The BBB40 Double In-Line Through-Deck Block is designed for passing lines through deck coamings or bulkheads

80 mm Roller Bearing Block - Single, Halyard, permanent backstay S30 Mounting: 2xM4The RBB80 Single Backstay Roller Bearing Block is ideal for backstays (permanent backstays) as the top block in a cascade system or for a 2: 1 main halyard arrangement. Made with top quality materials like machined black anodised aluminium and Torlon roller bearings, it ensures durability and performance under all conditions. Acetal thrust bearings stabilize the sheave when subjected to side loads. Seldn Roller Bearing Blocks (RBB) is our performance