Originally Posted by
hyunbae
Oh, didnt know there was a difference. Shimano! I was thinking cannibalism, but i dont think there are too many people listing this part or even broken ones. :/
OK. I'm pretty sure Shimano has used the same part since Day One, so you need p/n Y-6RP50000. If you Google that part number, there are some online places that list them. If you are in the U.S. , I think you can order small parts direct from Shimano.
http://bike.shimano.com/media/techdo...9830728256.pdf