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I used the most coarse grit I had, 60, because removing the ano takes a bloody eternity. Once you've got that off the I just polished it up as normal, think I went 150→240→1000→1500→Mother's Mag.
Really half arsed it because it won't be going on a fancy bike or anything, so no one's going to get a close look at it. You can see for example that I didn't bother to do the tabs for the crank bolts as it was an awkward area and I couldn't be bothered. But if you look up Jeff Jones XTR cranks people get them to a mirror finish - probably just a couple more hours of work (same process, just a different crankset).
Preserving it I don't know! I was googling the Jeff Jones XTR cranks for ages trying to find some example of them after being in use for a year but nothing came up. Decided I didn't really care that much and could always polish them again (the Mother's Mag and fine grit sandpaper only takes a few mins). I think you can top coat them but I don't have any around so not going to bother.
Also did a seatpost and might do a stem as well.
Edit: this guy did a great job with power tools, I can't read Spanish though. Here's some very shiny Shimano road cranks
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frankenbike
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Thanks a lot. Sounds like quite a bit of work.
The result looks great though!
Gonna try to do the same thing to a pair of S300s once I've found a cheap pair on ebay. -
this guy did a great job with power tools, can’t read Spanish though...
Load it in google and it’ll translate the page for you?
Really hate those crank shoes he’s put on it afterwards!
wenzovic
MCamb
Did you just use fine grit sandpaper?
How do you preserve the shiny surface? (not talking about the notebook... (-:)