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March 27, 2025 1 min read

Ronstan Shocks at Sailing Chandlery

In this video the team at Sailing Chandlery review Ronstan Shocks.


Ronstan shocks are sheaveless blocks which are available in a range of colour options. Ronstan shocks come in two different sizes, the small size are sold as a pair and the larger size are sold individually.


The Shocks have several attachment options, including webbing, pigtail, lashing and dyneema links, it will be the obvious choice for those kitesurfers, paragliders, control line deflections and purchase systems that require a lightweight high load capacity block.


These small metal shocks have the ultimate durability with no moving parts which make them maintenance free.

Ronstan Shocks - Sheavless Blocks (XL Size)

Specifications

  • Rope Ø - 1.4 - 10 mm
  • Height - 14.5 mm
  • Width - 24.8 mm
  • Length - 36 mm
  • Breaking load - 1,000 kg
  • Weight - 12 g

Ronstan Shocks - Pack of 2 Small Shocks

Specifications

  • Rope Ø - 1.4 - 5.0 mm
  • Height - 8.5 mm
  • Width - 14.9 mm
  • Length - 22.9 mm
  • Maximum working load - 175 kg
  • Breaking load - 350 kg
  • Weight - 2.5 g

Ronstan shocks summary

Made from anodized aluminium they weigh only 2.5g (0.01 oz.), yet can carry up to 350kg of break-load force. 

hocks come in two sizes and accepts 1.4mm to 10mm (1/16" - 3/8") line diameters for running rigging and can be used with up to 10mm (3/8") webbing attachments. 

The Ronstan Shocks are Ultra Lightweight - only 2g, ultra Compact and Versatile.

They are available in three colour choices to help keep complicated rigging configurations more organised.