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Re: Ideally you need to clean up the existing thread in the aluminium before inserting the new helicoil , it looks damaged . However the helicoil tap you would need could be expensive . Your option is to buy a pack of helicoils from Screwfix ( check the size of the pivot bolt ) and try to...

Re: Kirk problems are mostly related to a failure of one or more of the resin bonded joints There are tubular inserts bonded in to the headset area , and also the bottom bracket The rear dropouts have inserts bonded/screwed in to avoid fretting of the alloy by the axle The various cable...

My Mercian Olympic ( 1980 ) has its original blue paint with white panels . It has an age related patina , ie a few knocks and scrapes but does not justify the expense of a respray . However the clear lacquer coat is showing distinct signs of fading/discoloration ? I wonder if anyone has had a...

Re: Several years ago the local auction house used to sell off lost/found bikes every month ( on behalf of the police I believe ) There was one item that caught my eye as slightly unusual , listed as ' a 1960's roadster ' , and I left a bid . A couple of days later , for less than £ 30 , I...

The number you are looking at is not the frame number . It is likely a stock number relating to Dawes involvement in the Kirk project . The frame number is engraved on a flat panel on the inside of the frame at the junction of the LH seat/ chain stays It normally comprises a letter and 6 numbers...

https://www.ebay.co.uk/itm/273562110545

Re: The Ridgeback 501 has a drive train with Shimano RD - AL11 and FD - AL11 mechs controlled by SL - MT50 shifters . The brake levers are BL - M700

Re: My 1986 Ridgeback 501 would like to join the party

Re: I have a well used pair of Onza bar ends that came on a 1992 Saracen . The colour is a fluorescent lime green/yellow in an almost matt paint finish , they are of the internal expanding variety ( similar to the green examples above ) but having a shorter extension . I now realise that the...

Re: A press fit ( or an interference fit ) is where a shaft is larger than the hole it is going into . The greater the difference ,then the greater the friction obtained between the two components There is therefore no room for any epoxy resin between the two components of a press fit In...

Re: http://www.retrobike.co.uk/forum/viewtopic.php?f=4&t=386810 1986 Ridgeback 501 with Nitto bullmoose bars