Petzl Tandem Speed P21 SPE Steel Double Carriage Pulley  £61.50

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Petzl TANDEM SPEED - Efficient double pulley for Tyrolean traverses on rope

The TANDEM SPEED double pulley is designed for zip lines or tensioned highlines and has stainless steel sheaves mounted on sealed ball bearings for excellent efficiency. It accepts up to three carabiners to facilitate use.

The TANDEM SPEED is the fastest of the carriage pulleys. It is specifically designed for lower-angle Tyroleans.


  • Stainless steel sheaves for excellent durability
  • Sheave mounted on sealed ball bearings for excellent efficiency and sustained speed, independent of the weight of the person, temperature, or humidity
  • Attachment point accepts up to three carabiners to facilitate use
Technical Features:
  • Product Code: P21 SPE
  • Material: Stainless steel
  • Maximum allowable speed: 20 m/s  /  44.73 mph
  • Certification(s): CE EN 12278, UIAA
  • Max. rope diameter: 13 mm
  • Max. cable diameter: 12 mm
  • Sheave type: sealed ball bearings
  • Sheave diameter: 27.5 mm
  • Efficiency: 95 %
  • Working load: 10 kN
  • Breaking strength: 24 kN
  • Weight: 270 g  /  9.52 oz