Shimano PD-M324 SPD/Platform Pedals - the dual functionality of the M324 gives you the best of both worlds on any ride. Easily jump on the bike in your everyday shoes or a pair of sneakers and use the platform pedals to pedal away smoothly and comfortably. Or grab your cycling shoes with SPD cleats and clip right into the SPD pedal clipless entry system. You really can have it all. Sold in pairs Features: Flat pedal side allows you to ride in any shoes SPD clipless side works with 2-bolt cycling shoes Durable aluminum construction and sealed bearings for longevity 9/16" spindle fits nearly all adult bikes SM-SH56 cleats included Installs using pedal wrench or hex key Specifications: Pedal Type: Commuter Cleat Interface: Shimano SPD Cleats Included: Yes Pedal Clips: Single-Sided Clip In (w/ Platform Side) Pedal Configuration: Clip w/ Platform Body Material: Aluminum Spindle Size: 9/16" (Standard) Spindle Material: Chromoly Steel Bearings: Sealed Color: Silver Weight: 533g (Pair)