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Unread 15-12-2008, 16:32
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Re: Aluminum sprockets for drive train - several questions

Quote:
Originally Posted by M. Mellott View Post
Does anyone have experience with using AndyMark aluminum plate sprockets (6061 aluminum) in a drive train application? Would steel chain eat them for lunch in a high-torque application like a drive train, or will they hold up? By how much would annodizing the sprockets help the wear properties (if any)? How do the new 7075 aluminum sprockets handle steel chain?

Typically, our team has run steel sprockets with steel chain (35-series) for our drive trains in the the past (mostly for the durability), but we were looking at other lighter options.

Now, before it's mentioned, I know 25-series is a lighter option, but the 25vs35 debate is in several other threads. I would also be interested, however, if anyone uses the 25-series aluminum sprockets in a drive train application and their experiences.
The 6061 sprockets have held up extremely well. We have used them for the entire season and offseason; we have had no problems with it. The 7075 sprockets should hold a lot better. The steel chain should not eat up the aluminum.
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