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  1. #1
    Senior Member
    Join Date
    Oct 2009
    England, currently dividing my time between university in Guildford and home just outside Reading
    My Bikes
    Too many to list here!
    1 Post(s)
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    Double-crown forks for choppers

    I'm planning on turning a junk frame I found into a chopper-type bike with forks about 3 feet long. Do I need double-crown forks, like these?

    Obviously, mine won't be DH suspension forks like in the picture, but it's the fork crown I'm interested in.

    My fear is that a single-crown fork won't be strong enough, as the longer fork legs are obviously going to act as levers and put a lot of stress on the crown. Is that likely to be an issue?

    If I do need a double-crown, where could I get one in the UK?

  2. #2
    Join Date
    Nov 2006
    My Bikes
    '07 Pista, '09 Fantom Cross Uno, '8? Miyata, '67 Stingray, '0? Zoo mod trials, Tallbike, Chopper, '73 Schwinn Collegiate, '67 Triumph Chopper, '69 CB350, '58 BSA Spitfire, '73 CB450
    0 Post(s)
    0 Thread(s)
    I've taken the fork off a cheap (really cheap, as in thrown away/free) mtb, and extended the tubes.

    One like this:

    One of my junk-pile Huffy/Murray bikes had tubes that were the exact same width, just slugged them and welded on to the mtb fork tubes (leaving the suspension for bashing into curbs/children/poodles).
    Quote Originally Posted by Santaria View Post
    because physics has more street cred than tarckstars.

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