Finally, to make sure my bikes don't get scratched, i've bought some self adhesive neoprene sponge strip to stick on the cutouts:
http://www.ebay.co.uk/itm/330981247198?var=540221222812&ssPageName=STRK:MEWNX:IT&_trksid=p3984.m1497.l2649
@Soul 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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Finally, to make sure my bikes don't get scratched, i've bought some self adhesive neoprene sponge strip to stick on the cutouts:
http://www.ebay.co.uk/itm/330981247198?var=540221222812&ssPageName=STRK:MEWNX:IT&_trksid=p3984.m1497.l2649