Staying visible is the best way to keep yourself safe on the bike. The Arclight PRO Flat Pedals amplify your biological motion making you up to 57% more visible than standard bike lights. This extra pedal set of Arclight PRO Flat pedals is compatible with the Arclight Light Modules. Benefits - when used with Arclight Light Modules (not included): • 57% More Visible - The dynamic motion of the Arclight Pedals creates a unique visual signature, cutting through the visual clutter to maximize visibility and safety• 360° Illuminations- The wraparound design of the lights illuminates every angle• AUTO ON/OFF - The lights turn on automatically when you start riding, and turn off automatically when you park your bike• AUTO Color Set - SmartSet sensors dynamically change the LED color depending on orientation so you always have white forward and red rear• 36+ Hr Runtime - Long lasting lithium ion battery provides 36+ hours or runtime when using Eco-Flash mode Details: • Compatibility - fits all modern bikes (uses standard 9/16th pedal thread)• The PRO Flat pedal is designed for high performance and has MTB-style traction pins that will keep your feet planted even on the most demanding on and off-road rides.• 6061 CNC Machined Anodized Aluminum, high strength chromoly axle, three high-precision, low-friction sealed bearings.• Installation - 5 minute install time (including removal of old pedals); Uses 8mm hex tool, standard pedal wrench, or thin box or adjustable wrench. What's in the Box: • 1 x Arclight PRO Flat Pedal Set (Lights NOT included)• 40 x Removeable Traction Pins (installed)• 2 x Spare Traction Pins + Pin Wrench