Cheap chainrings tend not to be perfectly circular - the ones pressed from sheet material are often much less round than CNC'd ones - this can cause loose/tight spots in your drive chain.
@.__ 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.
Cheap chainrings tend not to be perfectly circular - the ones pressed from sheet material are often much less round than CNC'd ones - this can cause loose/tight spots in your drive chain.