Ronstan 40mm Double BB Block

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  • £31.95
  • Regular price £42.95
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Sheaves running on Acetal or Torlon® ball bearings provide high performance & low friction. The 2-stage ball bearing system provides consistent performance over the full load range.

  • Low friction Acetal or Torlon® bearing system
  • Lightweight
  • Cheek cut-outs for easy bearing maintenance
  • Features a swivel shackle head for full 360° rotation
  • Mainsheet
  • Halyard
  • Vang
  • Spinnaker control lines on off-the-beach catamarans, one design classes and sportsboats up to 8m (26ft)