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Products: Pulley - Twin & Becket
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Rock Exotica Mini Machined Double sheave Pulley

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Price: $87.50 Buy the Rock Exotica RE-P21 D Mini Machined Double sheave Pulley P21 D
The Rock Exotica RE-P21 D Mini Machined Double sheave Pulley P21 D for sale
  Weight:  5 ounces (141 grams)
  Material:  Machined Aluminum alloy
  Manufacturer:  Rock Exotica
  Part # P21 D
Made in the USA The Rock Exotica RE-P21 D Mini Machined Double sheave Pulley P21 D is made in the USA
  UPC: 816302020567
Rock Exotica RE-P21 D Mini Machined Double sheave Pulley P21 D product details:  Lightweight, full-strength, Prusik minding pulley
Mountain rescue, swiftwater, or other technical teams where equipment weight is a significant consideration
Machined sideplates create a stronger area around the axel hole, more material/Boss.
 
36 kN rated strength for the Rock Exotica RE-P21 D Mini Machined Double sheave Pulley P21 D Rated strength: 36 kN (≈ 8093 lbs.)
 
Email the Mini Machined Double sheave Pulley: Pulley - Twin & Becket  Email the Mini Machined Double sheave Pulley item details
By CNC machining the sideplates, the thickness of the metal can be varied to maximized the strength to weight ratio, a process that cannot be done with the traditional bent metal sideplates. This CNC process also allows for a bearing boss to be included as a support around the axle hole! PURE GENIUS!!

The sealed ball bearings provide high efficiency and the aluminum sideplates protect the rope.

11mm diameter rope fit maximum

Extremely low profile stainless steel axle assembly reduces snagging on rocks, roots, and uneven surfaces

Both Sheaves Diameters: 1.1 (21 mm)

Breaking Strength: 2 x 9 kN x 2=36 kN

Working Load: 2 x 2kN x 2=8 kN

  Machined Pulleys: Why Rock Exotica Pulleys are special
Rock A solid block of aluminum will be CNC machined into a sideplate.
The sideplate is left thicker where it is important for strength. Lower on the pulley, material is cut away to make it thinner.
The axle is integrated into the sideplate to add strength and rigidity to the pulley, eliminating looseness or play in the plates.
Rock The bearing and sheave fit snugly onto the axle portion of the sideplate.

A recess allows the screw to sit flush with the sideplate, unlike other pulleys which may use a rivet or a traditional bolt with a large head and nut protruding on both sides
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