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Spinlock Sheave mobile block with locking cam

Original price was: $112.80.Current price is: $75.78.

Sale!
SKU: BRS\/50 Category:

This jammer block is for situations where a fixed foot block can’t help: peeling spinnakers, or changing a sheet winch.

Details:

  • Controlled spinnaker handling
  • Attached with webbing strop, positioned on a toe rail or padeye
  • No drilling and no clutter on deck
  • Plain bearing sheave provides smooth running at low loads
  • Excellent durability at high loads
  • Strop allows fullest rotation for spinnaker sheet use
  • CAM has three distinct operating modes

Especifications:

Sheave Diameter / TypeBRS/50 – 50mm (2″) composite
BRS/63 – 63mm (2 1/2″) AlloySWL (Safe Working Load) SheaveBRS/50 – 800kg (1760lbs)
BRS/63 – 1200kg (2640lbs)Safe Cam LoadBRS/50 – 160kg (352lbs)
BRS/63 – 240kg (528lbs)Line DiameterBRS/50 – 6-10mm (1/4-3/8″)
BRS/63 – 8-12mm (5/16-1/2)

FAQs

Does installation require drilling into the deck?

No drilling is required; the product is positioned using the webbing strop to avoid deck clutter.

What is the SWL (Safe Working Load) of the BRS/50 sheave?

SWL Sheave for BRS/50 is 800kg (1760lbs).

What is the safe cam load rating for the BRS/50?

Safe Cam Load for BRS/50 is 160kg (352lbs).

What type of bearing does the sheave use?

The sheave uses a plain bearing to provide smooth running at low loads.

What are the key specs for the larger BRS/63 variant?

BRS/63 has a 63mm alloy sheave, SWL sheave 1200kg (2640lbs), safe cam load 240kg (528lbs), line dia 8–12mm (5/16–1/2″).

What is the sheave diameter and material for the BRS/50?

BRS/50 uses a 50mm (2″) composite sheave.

What line diameters will the BRS/50 accept?

BRS/50 accepts line diameters 6–10mm (1/4–3/8″).

How is the block attached to the boat?

The block is attached with a webbing strop and positioned on a toe rail or padeye.

Who do I contact for help with installation, servicing or advice?

Contact the SailRACE team — as certified marine experts we’re happy to help with product selection, installation and after-sales servicing, before and after your purchase.