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Trending Ronstan Series 40 Ball Bearing Block - Fiddle - Cleat All Sizes Available [aroRXSV5]

$32.99 $105.99 -69%

*Special Order ItemSeries 40 Ball Bearing Block - Fiddle - CleatFeatures:Low friction Acetal or Torlon bearing systemLightweightCheek cut-outs for easy bearing maintenanceCaptive Lock™ universal headSlotted pin shackle eliminates fouled linesMulti-p

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Trending Ronstan Series 40 Ball Bearing Block - Fiddle - Cleat All Sizes Available [aroRXSV5]

*Special Order Item

Series 40 Ball Bearing Block - Fiddle - 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
  • Multi-position cleat arm

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.

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 3:1 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 17, 2026

Absolutely no complaints!

The functionality is top-tier.

- Joshua Green.

January 17, 2026

Absolutely no complaints!

It's clear that this product was designed with the user in mind.

- Jaxon Sanders.

January 17, 2026

Absolutely no complaints!

I'm very impressed with the brand's quality control.

- QC_Inspector.

Write a Review

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