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Must-have Ronstan Series 40 Ball Bearing Block - Fiddle - Becket - Cleat [rf40530] Instant 50% Discount [jubx5kqa]

$20.99 $67.99 -69%

Series 40 Ball Bearing Block - Fiddle - Becket - CleatFeatures:Low friction Acetal or Torlon® bearing systemLightweightCheek cut-outs for easy bearing maintenanceCaptive Lock™ universal headSlotted pin shackle eliminates fouled linesSnap fit removabl

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Must-have Ronstan Series 40 Ball Bearing Block - Fiddle - Becket - Cleat [rf40530] Instant 50% Discount [jubx5kqa]

Series 40 Ball Bearing Block - Fiddle - Becket - Cleat

Features:

  • Low friction Acetal or Torlon® bearing system
  • Lightweight
  • Cheek cut-outs for easy bearing maintenance
  • Captive Lock™ universal head
  • Slotted pin shackle eliminates fouled lines
  • Snap fit removable becket pin
  • Multi-position cleat arm
  • Low friction, 2-stage ball bearing system
  • High static and dynamic load capacity
  • Lightweight
  • Cheek cut-outs for easy bearing maintenance

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.Captive Lock™ universal head can be fixed in either of two planes, or free to swivel as required. Quick adjusting cleat arms require no tools to adjust and fix securely in position. Becket pin is removable so line can be spliced prior to fitting and is i

Applications:

  • Mainsheet
  • Halyard
  • Vang
  • Spinnaker control lines on off-the-beach catamarans, one design classes and sportsboats  up to 8m (26ft)
  • Typically used in direct 4:1 purchase systems such as mainsheets and boom vangs
  • On larger boats they are used for fine-tune mainsheet tackles, outhauls, cunninghams, checkstays, genoa lead pullers and traveller controls.

Materials:

  • Acetal ball bearings
  • UV stabilized Acetal sheave
  • Grade 316 stainless steel load strap and head fitting
  • Impact and UV resistant, fiber reinforced Nylon cheeks

What Our Customers Say

January 16, 2026

Absolutely no complaints!

Very good product and truly great service.

- Thelma E..

January 16, 2026

Absolutely no complaints!

Flawless performance right from the start.

- Olive R..

January 16, 2026

Absolutely no complaints!

This is a very solid and trustworthy buy.

- Samuel N..

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