Adult Bike Helmet: the Tempo KinetiCore is a lightweight entry-level road cycling helmet Next-level Technology: built-in KinetiCore offers additional protection from rotational impact in the event of a crash LED Light Compatible: made for use with the Universal Lazer LED light to increase visibility in all light and weather conditions Guaranteed Fit: one size fits all Easily Adjustable: TurnSys system provides a secure fit instantly with a spin of the dial Whether you’re on pavement, dirt, or gravel, the Tempo KinetiCore is built for the recreational cyclist who wants a stylish, versatile helmet to tackle it all with confidence - without skimping on protection or performance. With its one size fits all design, precise adjustability of the TurnSys system, and LED light compatibility for those late evening rides, this helmet packs essential features that make every day in the saddle more enjoyable.