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Alloy rear sprocket, yes of noooo?

Old 05-04-2018, 05:10 AM
gorn's Avatar
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Join Date: Jan 2017
Posts: 30
Question Alloy rear sprocket, yes of noooo?

Hi Guys
I've got a CBR600f3 97.
It's been a year long build so far, but I'm nearing the end.
I'm curious about using alloy rear sprockets these days.
I know they will wear out faster than steel for sure.
BUT, what I don't know is, can I just put another one on when it wears out, but with the same chain?
I'm thinking the EK 520 GP chain will be far tougher than an alloy sprocket, so should fair well?
No it's not bling, yes it's for reducing gyroscopic weight.
I already have Ti bolts on the front and rear disc, and alloy (with steel insert) sprocket nuts from
I will be getting a drilled front sprocket, the EK GP 520 chain (conversion I know), and either alloy or a Supersprox steel and alloy sprocket.

I know already what the general thoughts will be, but I'm wanting to know how many of you have done this, and did it turn to ****....or gold lol.

Before anyone says anything about wasting time on weight loss for an old bike.....
So far I have dropped 9kg (19.8Lb) off the bike, so yes, it will be enough to notice

Old 06-04-2018, 05:42 PM
Senior Member
Join Date: Jul 2008
Location: Mesa AZ
Posts: 1,979

Yes I ran a few aluminum sprockets per the 20k or so I get from a chain. Got old, fast.
Old 06-04-2018, 10:51 PM
gorn's Avatar
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Join Date: Jan 2017
Posts: 30

so it didn't affect your chain life at all then?
If not, that's good news to me
Old 06-11-2018, 12:22 AM
Join Date: May 2018
Location: KC Missouri
Posts: 35

My last aluminum sprocket Looked great 30k+ later when I sold my f4i! I ran a vortex 60t

This is a pic of it right when it was around 20k miles. I even ran the cheapest chain I could find, "KMC" brand from ebay for $68 shipped.

All about keeping your chain clean, lubed, and properly adjusted!

Old 12-22-2018, 07:56 PM
Join Date: Nov 2007
Posts: 59

They wear out faster and they're more expensive, but on the plus side they look nice and they help in the all-important unsprung weight category. Not really a right-or-wrong here, you'll just be buying them more often if you ride a lot.
Old 12-22-2018, 10:12 PM
gorn's Avatar
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Join Date: Jan 2017
Posts: 30

thanks for the replies guys
Old 12-27-2018, 07:10 PM
tentacleslap's Avatar
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Join Date: Oct 2013
Location: Calgary, Canada
Posts: 428

Steel's good enough for us common folks
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