You are reading a single comment by @hippy and its replies.
Click here to read the full conversation.
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.
hippy
To my surprise 28mm GP4000s on A23's (18/23 width) are noticeably wider than 28mm GP5000s on kinlin xr-31 (19/24 width)
Just googled - and its a thing, the 5000s are narrower than the 4000s, and maybe more extreme between a used 4000 (i have on the front) and a new 5000