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Shop Rock + Run Brand. Drawing on our decades of climbing, running, training and general experience in the mountains, we continue to develop and expand this collection of core products directly made by Rock + Run or sourced and branded by Rock + Run. 


Petzl Tandem Speed

2 reviews   |  

The Petzl Tandem Speed is an efficient double pulley with stainless steel sheaves and ball bearings.

Designed for Tyrolean traverses on cable or rope, the Petzl Tandem Speed accepts up to three carabiners to facilitate use.


  • Stainless steel sheaves for excellent durability. 
  • Sheaves mounted on sealed ball bearings for sustained speed, independent of the weight of the person, temperature, or humidity. 
  • Maximum allowable speed: 20 m/s. 
  • Accepts up to three carabiners to facilitate use. 


  • Manufacturer: Petzl
  • Mpn: P21 SPE
  • Breaking Strength: 24kN
  • Self Jamming: No
  • Working Load: 10kN
  • Weight: 270g
  • For use on cable (12 mm maximum diameter)
    and on rope (13 mm maximum diameter)
    Certification: CE / UIAA
Customer Reviews
5 Based on 2 reviews
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Filter Reviews:
    Matt H.
    United Kingdom
    Petzl Tandem Speed

    The wheels of choice for the Via Ferrata in France that have Zip Wires. You just need an Oval Crab to go with them and your good to go. Rock and Run were easy to deal with and at a great price.

    John B.
    United Kingdom
    Pretzi Tandem Speed

    Very good especially as it was for use in a boating environment.