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Ronstan Series 40 Single Orbit Block Auto

Ronstan Series 40 Single Orbit Block Auto

Our Price: $71.30

Quantity in Stock:2
Product Code: 7111B
available at

Applications include main sheet systems and spinnaker sheets on dinghies, sports boats and small keel boats to 5m; halyard, vang and backstay applications on boats to 8m; and control line applications on larger yachts.
  • Sheave - Carbon fibre reinforced, PTFE impregnated Nylon
  • Ball Bearings - High compression strength carbon black Acetal
  • Stage 2 Bearing - Glass fibre reinforced, MoS2 impregnated Nylon
  • Sheave Size - 40mm
  • Line Diametre - 9mm max.
  • Frame/Cheeks - Toughened, glass fibre reinforced Nylon
  • Link- UV stabilised, multi-strand impregnated SK75 Dyneema.
  • Max Work Load 175kg

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Boating & RV acquires Bias Boating Stores


December 14, 2016 - For those of you who don't know Boating & RV acquired three of the Bias Boating stores back in 2014 to expand on our original store located in Capalaba, which include the Slacks Creek, Tingalpa and Townsville stores. Our brand has been growing better & stronger everyday and we have helped to serve thousands of happy customers with all of their boating, sailing, trailer & caravan needs.

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Please note: Boating & RV is a separate company that is not affiliated with any former Bias Boating operations, as such any outstanding Bias Boating orders or vouchers cannot be redeemed, returned or refunded through Boating & RV.