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Brand: Ronstan

Ronstan Series 40 Orbit Block, Single with Becket, Cleat and Swivel Head

Ronstan Series 40 Orbit Block, Single with Becket, Cleat and Swivel Head

Regular price $101.17
Regular price Sale price $101.17
Sale Sold out
Shipping calculated at checkout.

4 available

About this product

The Ronstan Series 40 Orbit Block is a single ball-bearing block featuring an integrated becket, cleat, and swivel head for versatile performance in sailing systems. Built with a low-friction 2-stage orbital ball bearing system, this block provides a high working load while maintaining a compact, ultra-lightweight profile.

Key Features:

  • 2-stage orbital bearing system for efficient, low-friction operation
  • Ultra-lightweight, stress-optimized fiber-reinforced load frame
  • High-performance cleating functionality
  • Through-sheave becket arrangement to minimize weight
  • Durable materials including acetal ball bearings and glass fiber reinforced nylon cheeks

Applications:

  • Mainsheet and spinnaker sheet systems for dinghies up to 5m (16ft)
  • Halyard, vang, and backstay applications for boats up to 8m (26ft)
  • General control line use on larger yachts

Manuals & videos

Quantity
  • Secure checkout
  • 21-day return requests
  • Free standard shipping $100+

Product facts

CT SKU
CT-110141
Model / MPN
RF45130
UPC / GTIN
9316800455256
Package dimensions (H × W × L)
2" X 3" X 4"
Package weight
0.26 lb

Specifications

Type
Ronstan Series 40 Ball Bearing Orbit Block - Single - Becket

Shipping & returns

Request an eligible return within 21 calendar days after delivery. Every physical return requires written approval and an RMA number and must be shipped within five business days after the RMA is issued. The customer pays return shipping for an ordinary return. Tug & Tow provides prepaid return shipping for a verified damaged, defective, short, or incorrect shipment. We do not charge a restocking fee. See Shipping & Returns for eligibility, exclusions, and details.

Fit & compatibility

Review the product title, description, images, dimensions, part numbers, and manufacturer details before purchase. For fit-sensitive items, confirm compatibility with your boat, RV, trailer, vehicle, or equipment.

Need help choosing?

Send us the product link or SKU, plus details about your boat, RV, trailer, vehicle, or project. We will help you narrow down the right option when product fit is not obvious.