Shimano Obsoleted Small Parts

Jun 6, 2007
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#1
I have a guest coming to visit from abroad who hopes to find small parts
for a Shimano wheel set that is no longer in production (Dura Ace
7801-SL). Finding a shop/vendor who can get the parts he needs (lock nut
units and bearing for front and rear) has been very difficult where he
lives. Ohter than a web search in Japanese, it there a place I can look to
help him find what he needs?

Part Nos.

Y-4BN98120
Y-2SR98080
Y-4BN98040
4BN-98030

Thanks in advance,

T.E.