60 mm Roller Bearing Block - Single, Backstay, Halyard Plain Bearing The two protrusions matches the

The two protrusions matches the System 22 end controls for a precise fit

It features stainless steel ball bearings for smooth rotation and low friction

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making this block ideal for leading line over deck on larger keelboats

System: BBB60

60 mm Roller Bearing Block - Single, Backstay, Halyard Plain Bearing The two protrusions matches theThe RBB60 Single Backstay Roller Bearing Block is ideal for backstays (permanent backstays) as the upper 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