Summary: Have you ever noticed a little "Tg" on your carbon fiber rims? It means "glass transition." Did that clear things up for you? Of course not. So, our tech editor Dan Cavallari spoke with Enve's Scott Neilsen about what this means for bike wheels. Why does glass transition matter? How does this relate to rim durability under heavy braking as well as ride quality? We answer these questions and more. This episode is brought to you by Pro Bike Gear. With its new online saddle selector, you can find your next saddle with just a few clicks. Visit http://www.pro-bikegear.com and check out Pro’s newly expanded line of saddles.
