Amazon is the Earth's biggest online retailer with large selection of books, electronics, home, apparel & more. The best shopping & entertainment with Prime. Free, easy returns on millions of items.

Competitive Cyclist is an online specialty retailer of road and mountain bikes, components, apparel, and accessories. Their YouTube channel is a repository of their product reviews, updates and how-tos.

Zwift is an online platform that allows cyclists and runners to interact, train, and compete in a virtual world. Users connect their bikes or treadmills to the Zwift app and can ride or run with others in a virtual environment, complete with routes, challenges, and races. It's a popular tool for indoor training, providing a social and competitive element to workouts.