4 x 4 is the workout you want.
Well I do 'A very dak place' by Sufferfest which is 5 x 4. But the idea is the same.
@Smallfurry started
London Fixed Gear and Single-Speed is a community of predominantly fixed gear and single-speed cyclists in and around London, UK.
This site is supported almost exclusively by donations. Please consider donating a small amount regularly.
4 x 4 is the workout you want.
Well I do 'A very dak place' by Sufferfest which is 5 x 4. But the idea is the same.