Trev Williams shows what it entails to get more useful gear ranges out of your bike. Keep a small front chainring for climbing and still have big downhill tailwind gears! Prevent grinding on a hill or spinning out on a tailwind.

Trev Williams shows what it entails to get more useful gear ranges out of your bike. Keep a small front chainring for climbing and still have big downhill tailwind gears! Prevent grinding on a hill or spinning out on a tailwind.