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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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karoly
just brought a sg75 crankset with 51t zen chainring from another user, decided my knees can't take such punishment so would ideally like to swap for a 48t zen. since there must be a price il say £70 but a 48t is the priority. If I'm forced to make a sale then a donation will be made.
https://m.flickr.com/#/photos/68476862@N06/14038112248/
cheers