Simon
Member
Registered: 24th Apr 03
Location: Oxfordshire
User status: Offline
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Hoping there are some of the bikers about tonight. I'm looking at a full sus bike on ebay that is 17.5" frame. I don't have a chance to go and sit on it before the auction ends which isn't ideal but its the perfect spec otherwise, I'm just worried about size.
I'm 5'10ish, my road/hybrid bike is 19" frame on 700cc wheels.
When frame sizes vary, is it just the seat tube dimension that changes or are the top and down tubes longer too?
If I got it and it was too small I guess the options are longer seat post, stem spacers etc? Would it be end of the world?
Thanks for any help, ebay is stressing me out 
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Kieran
Premium Member
Registered: 12th Sep 08
Location: Kent
User status: Offline
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What you using the bike for bud? Downhill?
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Adam-D
Member
Registered: 11th May 02
Location: Cheshire
User status: Offline
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it all depends on the reach aswell.
some ppl have long legs, short arms and visa versa.
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Simon
Member
Registered: 24th Apr 03
Location: Oxfordshire
User status: Offline
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oh yeah that would have been useful its mainly cross country with a lot of good downhill runs and a fair amount of climbs, mainly around the chilterns at the moment. My current ride is a 10yr old claud butler
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AlunJ
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Registered: 3rd Apr 07
Location: Newport
User status: Offline
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I'm 5ft10 and my MTB is 17"/43cm, my road bike is a 56cm
[Edited on 02-09-2011 by AlunJ]
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Simon
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Registered: 24th Apr 03
Location: Oxfordshire
User status: Offline
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That is something I like to hear, I think I will go for it and worry about it being too small later
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Kieran
Premium Member
Registered: 12th Sep 08
Location: Kent
User status: Offline
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17" is about right if your using it for a downhill bike, because you need a lot of room to move about on the back. And a lower seat will give you that.
If you was looking for a mountain bike it would be about a 20 - 21" frame for your size.
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mwg
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Registered: 19th Feb 04
Location: South Lakes
User status: Offline
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Some people prefer a smaller frame on a mountain bike, bit more agile.
I'm about 6ft 3 and I've got a 19.5 inch frame.
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Kieran
Premium Member
Registered: 12th Sep 08
Location: Kent
User status: Offline
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Depends on riding style, if cruising about larger frame. Fast trails/cross country smaller.
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LeeM
Member
Registered: 26th Sep 05
Location: Liverpool
User status: Offline
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im 5'10 with an average leg size and my road bike is 22" while i prefer a slightly smaller size for a mountain bike frame that would be too small for me
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Kieran
Premium Member
Registered: 12th Sep 08
Location: Kent
User status: Offline
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For a roadbike that's about right
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jacko198
Member
Registered: 1st Mar 07
Location: Buckinghamshire
User status: Offline
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It should be ok for the DH runs and the more freeride type of riding as there is more space for you to move.
For climbing though it could be the wrong size.
Depending on how you feel on it, it might be worth getting one of these
http://www.chainreactioncycles.com/Models.aspx?ModelID=54610
Maybe not that one, there are more out there for cheeper, but they are well worth it, makes it alot easier to drop and raise the seatpost on demand whilst riding. Without having to stop to adjust before you ride the uphill, then stopping to lowering it when coming back down
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FlaFFy_91
Premium Member
Registered: 30th Sep 08
Location: Formby, Merseyside
User status: Offline
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Easyest way ive found for normal mtb in my 6 years in formby cycles is your inside leg -12 inches. Not always exact due to reach and shit but work out most times. Full sus id usualy drop down a size. 17.5 Should be sound for a 5ft 10. but as my brother (jacko) said the adjustable seat posts are awsome! Well worth the money. Just dont get a rockshox one. There shite hahaha
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