erm. put the old cranks back on? If you are having trouble with using the chaintool then check out the park tools website. http://www.google.co.uk/search?hl=en&q=chain+tool+use+join&meta=
@provenrad 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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erm. put the old cranks back on?
If you are having trouble with using the chaintool then check out the park tools website.
http://www.google.co.uk/search?hl=en&q=chain+tool+use+join&meta=