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PostPosted: Wed Oct 31, 2012 7:59 pm 
aka Leo Swayer
aka Leo Swayer
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Joined: Wed Jun 18, 2008 7:15 pm
Posts: 6365
Location: Wales.UK
Does anybody know of a modern(ish) suspension fork with enough clearance to run a 650b wheel?
The radius of my 26" front wheel inc tyre is around 335mm, the 650b has a radius of 352mm so only 17mm different.
So any forks about with generous mud clearance?? :D :D


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PostPosted: Wed Oct 31, 2012 8:13 pm 
Old School Grand Master

Joined: Wed Jun 29, 2005 11:18 am
Posts: 15805
Location: near cwmcarn
Grannygrinder wrote:
Does anybody know of a modern(ish) suspension fork with enough clearance to run a 650b wheel?
The radius of my 26" front wheel inc tyre is around 335mm, the 650b has a radius of 352mm so only 17mm different.
So any forks about with generous mud clearance?? :D :D


according to: http://forums.mtbr.com/650b/official-65 ... 92220.html all fox forx work.

Fox F100 Suspension Fork, that has just had a ful service at Mojo Suspension. Perfect working order with only a few tiny cosmetic marks. Includes Handlebar mounted Remote Lock Out. 1 1/8 ahead fork steerer 195mm (crown race not included). standard quick release dropout. £350posted
Image

PM me for more pics & info


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PostPosted: Wed Oct 31, 2012 9:15 pm 
aka Leo Swayer
aka Leo Swayer
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Joined: Wed Jun 18, 2008 7:15 pm
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Location: Wales.UK
Thanks for the link. Lovely as those forks are i think a set of phylo's will be more the sort of money i was hoping to spend :wink:


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PostPosted: Thu Nov 01, 2012 10:04 am 
BoTM Winner
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Joined: Thu Jan 19, 2006 1:23 pm
Posts: 2763
Location: NW England
Grannygrinder wrote:
Does anybody know of a modern(ish) suspension fork with enough clearance to run a 650b wheel?
The radius of my 26" front wheel inc tyre is around 335mm, the 650b has a radius of 352mm so only 17mm different.

Actual clearance for the fork will only be affected by half that surely?
And for 17mm difference overall - why bother?


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PostPosted: Thu Nov 01, 2012 12:37 pm 
Retro Guru
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Fox's 650b-specific forks are 17mm taller than the 26in ones -- they're supposed to take a 2.4in 650b tyre. You couldn't run one that big in a 26in fork, a 2.2 or 2.3 may work depending on the exact tyre in question. But 650B and a smaller tyre isn't very much bigger than 26in and a big tyre ;)


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PostPosted: Thu Nov 01, 2012 9:53 pm 
aka Leo Swayer
aka Leo Swayer
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Joined: Wed Jun 18, 2008 7:15 pm
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Location: Wales.UK
...hence my original question :roll:
Admittedly theres not a lot in it, but my relatively low proflie 650b Racing Ralph rubbed on my 2000 SIDS. I'm running 460mm a/c carbon forks for the minute but they state 160mm maximum front disc diametre and i run a 180mm rotor up front.

2002> RS Psylos appear to be the best value option so far :wink:


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PostPosted: Thu Nov 01, 2012 9:57 pm 
aka Leo Swayer
aka Leo Swayer
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Joined: Wed Jun 18, 2008 7:15 pm
Posts: 6365
Location: Wales.UK
stevet1 wrote:
Grannygrinder wrote:
Does anybody know of a modern(ish) suspension fork with enough clearance to run a 650b wheel?
The radius of my 26" front wheel inc tyre is around 335mm, the 650b has a radius of 352mm so only 17mm different.

Actual clearance for the fork will only be affected by half that surely?
And for 17mm difference overall - why bother?


No not half the radius. It will be affected by the whole radius, half the diametre and ***% of the circumference :D


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