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CMI® Zip Trolly Ultra Brake Block Mounts around cable and attaches to a static point with a bungee cord (not included). This brake block is sold as a component to an integrated braking system. It is designed to be used as part of a gravity based brake system and be attached to a shock cord. It should never be used alone or without a backup emergency brake in the event of a failure. There are two eyebolts installed in this block. One should be rigged to take the impact from the rider. The second should be connected to the first with a slack tether.

  • Crafted from an ultra high strength polymer designed to outwear some metals, nylons, and urethane.
  • Designed for hard use and maximum UV resistance.
  • Material has a low friction coefficient and is self-lubricating with a non-adherent surface.
  • Black color blends in with forest surroundings.
  • Galvanized hardware prevents rust for a long lifetime.

Item ID & DescriptionUnit SizeQuantity
CMI Ultrabrake 3/8-1/2"1
CMI Ultrabrake 5/8-7/8"1