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Old April 24th, 2011, 7:48 PM   #1
PTOWN Bikes
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Default what the fork

Big One Inch - what I have, straight blades, one inch tube, gussets on back of blades

Yo Eddy fork - looks like BOI with curved blades

Box crown - ahh crown is a box shape

who do I find to repop a BOI for the build I am doing

did I miss anything?

goal is a full ridged urban rocket - don't laugh - I am a Scout leader doing the Cycling Merit badge and want a slick old school ride - we will be doing urban side street rides upto 50 miles
all the scouts signed up are riding front shock MTB including My twins on trek 3500's
first big ride is Aug 7th 25 miles with 11-14yr olds
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Old April 24th, 2011, 8:26 PM   #2
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Yo Eddy for was same as BOI, just had larger diameter blades. The curved blade fork that looks kind of like a Yo or BOI was made by Tange and was used on the Monster and Buck.
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Old April 25th, 2011, 10:43 AM   #3
ameybrook
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BOI vs Yo Eddy forks:

Big One Inch specs...

Debut around the time of the TI introduction

Dropout to race length - 15.9375" suspension corrected to 63mm


Rake offset - 1.57" or 6 degrees


BOI forks use 1.0" diameter tubing for the legs and crown

Yo Eddy specs...

Used from late eighties until BOI intro

Dropout to race length - 15.5" for standard geometry

Yo Eddy forks use 1.125" diameter tubing for the legs and crown.
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Old April 25th, 2011, 10:14 PM   #4
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I like his answer better ^^^

I wasn't even thinking about A2C changes.

The curved blade Tange fork seems to have come in a couple different A2C while we're at it. Some were about 15.9" like the BOI (roughly Mag 21 or Manitou 2?) and others were a bit longer like the one I have, which is 16.25 (Judy, Manitou 3-4?).
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