This is our top of the range sheave offering in The Glide Range of sheaves specifically designed for larger performance and race yachts . The X Glide sheave incorporates ceramic rolling elements, this sheave has the same geometry as others in the range but with the technical advantage of ceramic bearings offering low friction and faster rolling speeds. Optional bearing seals leads to a minimal service requirement. Due to their unique design we are seeing weight savings over the competition of up to 25%.