Technical & Reference Section > Tech and Restoration

top hat washer

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paddy2:
want to fit a new redline crank to my 92 robison.have everything i think apart from a top hat washer to run an old school powerdisc/chainring etc.

what size top hat washer will be needed and any idea where to get one or does anyone have one i can purchase from them? ;D ;)

wildon:
Pretty sure its this one you need...
 http://www.ebay.co.uk/itm/BMX-chainwheel-chainring-sprocket-adaptor-22mm-to-19mm-/170656467995?pt=UK_sportsleisure_cycling_bikeparts_SR&hash=item27bbeb0c1b
 :daumenhoch:

HEYWOOD BMX:
OS spiders/rings are generally 23.8mm so you`d need 23.8 down to TO 19mm tophat.

paddy2:
thanks guys appreciate it ,measured up at 23.8 so will order one now :daumenhoch:

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