Bike sizing, too small? PHOTO « Singletrack Forum

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Bike sizing, too small? PHOTO

48 posts & 30 voices | Started 1 year ago by montarius | Latest reply from montarius

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clubber - Member

esselgruntfuttock - Member
Further to my earlier comment, If the OP gets a 20" frame with 29" wheels, will the frame be the right size for him?
Serious question because I'm still trying to get my head around all the fuss with 29ers.

29er or any other wheel size has nothing to do with fit at least certainly not in this instance. His 20" frame is too short. Other 20" frames are longer. You could build a 26" wheeled bike with a 16" seat tube and a 30" top tube and it'd then be too long.

This thread is confirming to me that people care more about how their bike looks than how it rides.

Posted 1 year ago #
flow - Member

You dont need a 29er, just a frame thats the right size.

Posted 1 year ago #
KINGTUT - Member

This thread is confirming to me that people care more about how their bike looks than how it rides.

Having seen you bikes clubber, I know what camp you are in.

Posted 1 year ago #
wwaswas - Member

It might be a good time to get a proper 'bike fit' done.

Find out what position you need for the various contact points and then find a bike that delivers them.

Wheel size will make an aesthetic difference (and a dynamic one, too) but in terms of bike fit it's irrelevant.

Posted 1 year ago #
b r - Member

I agree, TT is too small. Do you think going from a 605 to a 650TT would be too much of a jump?

You also need to work out the relationship with the seat/bars. You mentioned that the seat was as far back as possible, so if that moved forward 10mm, and you ran a shorter stem (say 80mm) you're real TT has moved from 605mm to 635mm, so now only a 15mm increase.

But tbh once you ride the right size you'll suddenly realise the difference it makes, IME the ability to climb and put effort in as you are able to 'open' up you chest - different world.

+1 proper bike fit - there use to be a US based website where you could put in all your dimensions and it would recommend frame/fit dimensions. Here you go:

http://www.competitivecyclist.com/za/CCY?PAGE=FIT_CALCULATOR_INTRO

I found it after I'd got my bike right, and then on measuring it was pretty near to where I'd got to

Posted 1 year ago #
clubber - Member

Thanks KT - I knew I could count on you

Posted 1 year ago #
esselgruntfuttock - Member

This thread is confirming to me that people care more about how their bike looks than how it rides.

What, youv'e only just realised!

Posted 1 year ago #
hainman - Member

what about a L or XL genesis bike,i had the 20 or 20.5 i think core at 5.11 and it was pretty big,i had litteraly mm's of clearance on my standover.plus there a great bike for all you need riding....

Posted 1 year ago #
montarius - Member

I dont want a new bike to look good, my bike feels too small and I feel that its holding me back. Think I will stick with the 26" wheels and ensure I get the right frame. Not interested in getting a 29er just to make me look in proportion.

Thanks for that link, will run through it now and compare with the nerve xc measurements.

Posted 1 year ago #
pjm84 - Member

I've ridden my mates 21in Trek FS 29er and its less stretched then my Trek Top Fuel 21.5in. Riding position is more "in" the bike then "on" the bike.

The 29er is a very different ride.

Posted 1 year ago #
clubber - Member

esselgruntfuttock - Member

What, youv'e only just realised!

I've suspected for a long time but the way that a 29er is given as the must have choice for anyone over 6' without any real justification other than "it'll look right" is getting silly now.

Posted 1 year ago #
clubber - Member

Montarius - if it's any help, I'm 6'5" 35" inside leg and currently ride a 20" inbred (110mm stem) an XL Swift 29er (90mm stem), both of which are very close in terms of position as the Swift has a longer top tube than the inbred. Saddle height 81cm from centre of BB to top of saddle measured along the seat tube (175mm cranks)

Posted 1 year ago #
montarius - Member

Just took a look at the canyon nerve xc (XL) standover hight. With my inseam (35"), it comes to a 1.5inch clearance. Is that going to be too close for comfort? I guess my inseam is calaculated barefoot though..

Posted 1 year ago #

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