A twin pulley with two sheaves mounted in line on ball bearings for intensive zip-lining use.
 
Twin pulley for intensive use.
Beal's TRANSF'AIR TWIN B pulley is designed for intensive ziplining use on steel cables or ropes. Its two aligned sheaves guarantee perfect stability.
 
Constant performance through the use of ball bearings
Two sheaves mounted on ball bearings ensure consistantly high performance regardless of the user's weight. Efficiency is further enhanced by a stainless steel shaft and washer. Additionally, to ensure traceability, each pulley has an individual number.