3RR B is for a 68 MM shell and has a 136MM symmetrical spindle. B is for BOLT.
cman said:I assume you found this thread. Looks like the guy was able to go with shorter one but with a different crank
http://forums.mtbr.com/showthread.php?t=346110
Or there is always Phil Wood :wink:
BRS35S 68 mm - JIS 135 mm Symmetrical 226 gm $141.95
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