Seldén Mast has expanded its range of roller bearing blocks (RBB) to include larger single and single/stand ups in ø100mm and ø130mm blocks, designed for backstays, main sheet arrangements and sheets for downwind sails.

“The boat builders we work with have been requesting larger blocks in our roller bearing block range for spinnaker sheets, backstays and German sheeting, so we’ve extended the range to fulfil this need,” says Steve Norbury, managing director at Seldén Mast’s UK subsidiary. 

“The new blocks’ low resistance at high, dynamic loads will make it easier for sailors to release a highly tensioned backstay, main sheet, spinnaker halyard or kicker, and as the blocks respond instantly to maintain delicate trimming and sail handling, sailors can just focus on what really matters – performance and boat speed.”

The RBB range features machined, black anodised aluminium cheeks and sheave, Torlon® roller bearings for radial loads and thrust bearings for resisting side loads. 

Available this spring, with the two new blocks Seldén’s RBB range is now available in sizes ø60mm to ø130 mm.

Supplying spars and deck hardware to sailing boats of all sizes, last month (March 2023) the Gosport-based Seldén subsidiary announced it had been appointed by Hadron Dinghies Ltd as the spar supplier to the Hadron H2 class.

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