Spank Spike Pedals - Platform Aluminum 9/16" Black. Spank Spike Pedals feature an aluminum body with a full-anodized finish with steel replaceable pins for durability and traction. The axle is designed to not interfere with crank boots. Slim 12mm race and freeride pedal for maximized pedaling clearance Forged alloy body is shot peened and anodized for increased durability Equipped with hollow taper chromoly steel axles for strength Sealed bearings and IGUS bushings 20 preassembled pins in virtual concavity for ultimate grip Recommended for: ASTM 5 All mountain free ride DH E-Bike Crank boot compatible axle TECH SPECS Color Black Defined Color Black Pedal Body Material Aluminum Pedal Spindle 9/16" Pedal Type Platform Spindle Material Chromoly