I only do dirty maths.. easier for comparisons: 45x17 for 71" versus last year's painful 42x15 75"
@hippy started
London Fixed Gear and Single-Speed is a community of predominantly fixed gear and single-speed cyclists in and around London, UK.
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I only do dirty maths.. easier for comparisons: 45x17 for 71" versus last year's painful 42x15 75"