Big Platform, Bigger Attitude With a fresh design and larger platform, the Aeffect R pedal follows the evolution of modern trail bikes and down-country rigs, providing you a more sure-footed, durable pedal to match your single-track endeavors. A lightweight and durable 6000 series forged aluminum body, a cro-mo axle, all running on our tried and true bearing and bushing set-up means they&';ll never let you down. Specs Pedal Body Material: Aluminum Color: Black Pedal Type: Platform Pedal Spindle: 9/16" Spindle Material: Chromoly Defined Color: Black