ad61 Posted December 30, 2010 Share Posted December 30, 2010 Being 175cm tall, what would be the correct bicycle frame height I must ride or the correct bike size should I buy? Thanks for your advices. Link to comment Share on other sites More sharing options...
phaethon Posted December 30, 2010 Share Posted December 30, 2010 Some useful links here: http://www.cptips.com/bkefit.htm Also Google [ bicycle sizing ] Link to comment Share on other sites More sharing options...
apetley Posted December 30, 2010 Share Posted December 30, 2010 I have always used the inside leg measurement take away 9. So if you have a 32 inch inside leg then a 23 inch frame should be ok. Link to comment Share on other sites More sharing options...
Atmos Posted December 30, 2010 Share Posted December 30, 2010 phaethon post #2 - good info from that link, excellent for future reference early 90s I ordered a Cannondale frame direct from USA through an agent in NZ, it was like getting measured for a suit he had a chart to fill out to complete the order, when frame arrived it had recommendations for seat height/position, handlebars set-up, was first time I'd thought about bike size as a 'fit' rather than simply 'you're 6'3 you need x frame'. Link to comment Share on other sites More sharing options...
sendbaht Posted December 30, 2010 Share Posted December 30, 2010 (edited) I have always used the inside leg measurement take away 9. So if you have a 32 inch inside leg then a 23 inch frame should be ok. Never read or seen this before but makes some sence....Guess I'll be looking for a String Rey Bicycle then. Edited December 30, 2010 by sendbaht Link to comment Share on other sites More sharing options...
ad61 Posted December 31, 2010 Author Share Posted December 31, 2010 Many thanks to all of you, especially phaethon for a good link... cheers! Link to comment Share on other sites More sharing options...
ianf Posted January 3, 2011 Share Posted January 3, 2011 Many thanks to all of you, especially phaethon for a good link... cheers! In days of yore a person of your size would ride a 22.5 inch bike (c to top), even 23! But these days with compact frame geometry much smaller sizes are ok and seat pins are longer. In my collection I have a 23 inch (57cm) frame that I used to race on but my favourite ride now is a 53cm frame - about 21 inches. I think it very much depends on how you want to sit on your bike and as such is a personal choice. I like to have my bars quite low in relation to the saddle hence the smaller compact geometry that I am now comfortable with. Having said all that, the best way to measure, in my opinion, is from the top of the saddle to the centre of the bottom bracket. I use 74cm (I'm about 176cm tall) but even that length depends on the length of your inside leg - some tallish people have long trunks and short bodies and others vice versa. So the best thing is to sit on a bike and try it out, work out your saddle to bb length and have a medium amount of seatpost showing. Sorry for this confusing advice but best I can do!!!! Link to comment Share on other sites More sharing options...
BBbUn Posted January 3, 2011 Share Posted January 3, 2011 You didn't mention for road bike or mtb ? Sizing is controversial stuff. Here's another article: http://www.rivbike.com/article/bike_fit/choosing_a_frame_size I go by his advice. Link to comment Share on other sites More sharing options...
Tonto21 Posted March 14, 2011 Share Posted March 14, 2011 Some useful links here: http://www.cptips.com/bkefit.htm Also Google [ bicycle sizing ] Thanks ‘phaethon’ great site! Link to comment Share on other sites More sharing options...
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