Low friction ring, Anodized Aluminium, Outer/Inner dia ø70/30 mm, Width 30 mm 3/8" Purchase: 4 N:1

Purchase: 4 N:1

ø50 mm / ø30 mm

ensuring resistance to thread seizing under heavy loads and allowing precise tuning of the rig as per Seldén's guidelines

Thread size: 1 1⁄4"

PBB70 and RBB60 blocks

Low friction ring, Anodized Aluminium, Outer/Inner dia ø70/30 mm, Width 30 mm 3/8" Purchase: 4 N:1This is our biggest low friction ring, suitable for up to 20 mm line. A low friction ring is a simpler and lighter alternative to a plain bearing block. They are produced in black anodised aluminium and have a big inner radius for low friction and an outer slot for attachment of a line or rubber cord. Suitable applications are backstay cascades, barber haulers, kicker tackles or any other applications with static load. Here is an example of how to rig