fattyboy Posted September 4, 2014 Report Share Posted September 4, 2014 Don't laugh! I have a second hand spyrogyra n the threads have gone on the top of thr stem. I'm looking to replace it with a onza mod stem (apparently quite popular on 26inch bikes now) ( http://pages.ebay.com/link/?nav=item.view&id=350712397638&alt=web ) Now it says the clamp is 31.8mm but the spec I found of a spyrogyra says the bars are 28mm... Will the clamp fit my bars or do I need new bars too? Or do onza do a stern with 28mm clamp? Confused!! Quote Link to comment Share on other sites More sharing options...
Mark W Posted September 4, 2014 Report Share Posted September 4, 2014 Mod stems are only really popular on pretty high BB bikes. As your Spyrogyra has a fairly low BB height, putting a stem that high/long on it would make it ride pretty strangely. The standard Spyrogyra bars are a pretty weird size so a 31.8mm bar clamp stem wouldn't work straight away, but you should be able to buy some shims to get in there too to make your current bars fit. To be honest though, if you can stretch to it some new bars wouldn't be a bad shout. The standard bars aren't the most comfortable bars ever and are also fairly heavy, so a fairly cheap pair of alloy riser bars and a new stem would transform how that bike would ride. Something like a BBB or System-Ex 110 x 35 stem would bring the front end up a little bit without going too overboard, and they're only around £20 or so. Quote Link to comment Share on other sites More sharing options...
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