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Petzl Tandem Speed

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
  • Declaration of Conformity (Download from Petzl)

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Would you like to try on some climbing shoes or mountain boots for size before you make your purchase? If so, then why not book an appointment with us today! We can offer you a bespoke one-on-one shopping experience with one of our experienced staff members.

Customer Reviews

Based on 2 reviews
Matt H.
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.
Pretzi Tandem Speed

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