Features: Dual Function: SPD System Bicycle Pedal And Bike Pedal with Toe Clip Compatible With Both SHIMANO SPD Cleats And Flat tread. Compatible Spin Bikes With 9/16” Spindle. Durable And High-Quality Material: Heavy Duty Aluminum Body. For Indoor Bikes And Mountain Bikes Adjustable Cleats Tension For The Perfect Clip In And Out. Product Description: Brand: Bucklos Color: Black Material: Aluminum Body Model: PD-B332T Bearing Type: Sealed Cartridge Bearings Pedal Axle Size: 9/16 in Item Weight: 480g Bike Type:Mountain Bike/Road Bike/Indoor Bikes Compatible: Spin Bikes With 9/16”Spindle Item Contain: 1 Pair Dual Function Bike Pedals .