Simple to install, just remove your current stirrups and slip your new Tough1 Aluminum Swivel and Lock Stirrups on. This system allows the swivel stirrups to either rotate 360 degrees or stay locked into any position for maximum comfort. The swivel and lock stirrups also allow the fender to lay flat against the rider's knee. Your knee and ankle strain is guaranteed to be relieved with these aluminum stirrups. Just remove your current stirrups and slip on the new swivel and lock stirrups for a simple saddle installation You can either rotate the swivel stirrups 360 degrees or keep them locked into any position for the most comfortable ride These lock stirrups also let the fender lay flat against the rider's knee Complete with a wrapped leather bottom for an attractive look The 2-1/4 in. rubber tread of this aluminum stirrups offers greater traction Available in silver or brown with a 2-1/2 in. or 3 in. neck Guaranteed to relieve knee and ankle strain