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  • I live a few doors down from rob sargent, nice bloke and knows his onions.
    He helped me build my first fix which was a 60's pennine conversion with cottered cranks. I ran them for about 8months with no trouble until i retired the pennine to france this summer.
    Some thoughts on my cranks:
    New cotter pins from ebay are of TERRIBLE quality(this may not always be the case but the 3 pairs i got were shite, eventually got a pair made by a machinists in hackney somewhere). Smack them in good and hard with a hammer and tighten the bolts with a much bigger washer than the ones provided with the new pins. Don't go mad with the bolts otherwise you risk stripping them.
    They do work loose now and again so keep them tight. Getting a chainline was easy at robs shop as there was a few cottered axles knocking around the shop and we got it right first time.
    I had a cheaper raleigh chainset from the bonk, not the same quality as a chaterlea but it had almost no wear and worked just dandy.
    Rebuilt the bb with fresh grease 2-3 times in 8 months which does involve removing the cotter pins. Rob has a special tool for this which was required for removing old seized pins. With the new ones i could remove them with screwdriver and hammer and reinstall them easily.

    If its a cheap build then go for it, did me just fine. Then again i'm no racer/curryer so don't put bikes through the same use as many on here.

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