Can I put 700c wheels on a bike with 27in Wheels?

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  • will this mean that I can put caliper brakes with shorter drops on them?

  • 27" wheels are bigger than 700c you'll need long reach brakes

  • Thanks.

  • you can get some ALHONGA Deep Drop calipers (dual pivot) they are about 20quid

    but you'll need to check whether you need a nut fitting.

  • I've just done this on my old Nishiki and it was just about fine with the original calipers.

  • you should take the 27s off before you put the 700s on.

  • I think he was asking if he could use 27in wheels as a tool to put the 700c wheels on. I'd use a spanner personally.

  • allen keys.

  • taking the thread a little away from topic, my conversion project currently has 27's but the rims are pretty gone.

    I think drop wise on brakes I won't have a problem, but like the idea of keeping it fairly original.

    I know I can get rims and tyres from SJS but it would be easier just to run 700s.

    Is the tyre/tube course that bad for 27s?

  • Check out freshtripe for more reasonably priced 27 rims - 35 GN per pair. Else Ebay...
    I think you will not struggle to find tyres as long as you aren't too fussy... like 'I need orange tyres' or 'Must have armadillos ride over glass GRRR!!!'

  • Newbie here so please be gentle!

    Just put 700c wheels on an old race frame and the gap between the rear wheel and centre tube is rather large!!!! Any way around this..... someone mentioned bigger tyres, will this make much difference and if so which tyres? Or do I need to fit a 27 1 1/4 wheel (on a budget!)?

    Cheers

  • run some 28 radonneurs.. should close the gap a bit. It's always going to look a bit weird though.

  • diff between a 700 and a 27 is about 8mm. i've heard 4-5 from one person and about 8 from another.
    still not a lot.
    bigger tyres. mudguards.
    will close the gap.

  • Frames built for 27" wheels will always look/feel wrong when fitted with 700c.
    Fitting 27" wheels to a 700 frame; sounds like a good idea to me. Ultra short drop brakes FTW

    http://www.sheldonbrown.com/rim-sizing.html

    8mm diameter difference = 4mm radius

  • diff between a 700 and a 27 is about 8mm. i've heard 4-5 from one person and about 8 from another.
    still not a lot.
    bigger tyres. mudguards.
    will close the gap.

    defo... mafacs and mudguards and you literally cant tell

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Can I put 700c wheels on a bike with 27in Wheels?

Posted by Avatar for samuelf @samuelf

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