If you need a new cassette and a semi-slick tire, today could be your lucky day. E*thirteen is giving away one of its TRS+ 12 Speed cassettes as well as one of its new S/S Semi Slick tires for a combined value of $350.

About 31 Days of Giveaways

Summer is behind us and many people are turning towards skiing or snowboarding, hanging up the bike for months on end. To make sure you don’t forget biking all together, over 31 days we are giving away prizes from some of the best brands in the bike industry. Register only for your favorite products, or register every day – your chances of winning are refreshed each morning. Check back daily for a run down on what is up for grabs, and don’t forget about your bike while the mountains are white.