Ronstan Series 40 Ball Bearing Block - Single Upright Lead [RF40171]

$55.79 $65.63
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Delivery and Shipping

Non-Oversized Items

  • Standard (2-8 days) $9.95 to contiguous 48 states
  • 2-Day (2-3 days) $19.95 to contiguous 48 states
  • Overnight (1-2 days) $49.95 to contiguous 48 states

Oversized Items

  • UPS Ground (2-8 days) $95.00 to contiguous 48 states

Series 40 Ball Bearing Block - Single Upright Lead

Lead blocks are a low profile solution for leading halyards or other rig sail controls back to cleats or jammers. Precision molded Acetal 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.

Applications:

  • Typically used for halyards at the mast base.

Materials:

  • Acetal ball bearings
  • UV stabilized Acetal sheave
  • Grade 316 stainless steel load housing