Shimano Tourney Mountain Bicycle Crank Set – FC-TY501 Review Posted by GiantPandaisy July 17, 2018 in Drivetrain Components Crankset (3×8-speed) FOR REAR 6/7/8-SPEED Original Shimano parts guarantees that all components work perfectly – for optimum performance and maximum safety and longevity. FRONT CHAINWHEEL, FC-TY501 Cycling Outdoor Recreation Parts & Components SHIMANO Sports & Outdoors