Pay in 4 interest-free payments of $31.44 Learn more
Ships within 48 hours · Estimated delivery Nov 3 - Nov 8
Cone clutches
Series 20 Ball Bearing Block - Double
Mounting Diameter Clearance: 165mm (6-1/2")
and 1/2" (12mm)
A2021SC and all double and triple variations
Allen 60mm Quad Dynamic Block Boat Nacra 17 Cone clutches60mm Quad Dynamic Block. The A2066 is a high performing ball bearing block, designed to eliminate friction and allow rope to run at great speeds. Ideal for use on Keelboats and Catamarans for a range of applications from jib sheet to mainsheet systems, to backstay tensioning systems and everything in between. The 60mm quad is a great choice for systems which require a larger purchase system with minimal friction. Bearings Dynamic Blocks feature our