Ducati Sporting Club UK > Model Specific - Discussion, Technical Problems and Help > 851 / 888 > chain and sprokets

[loony888]

i run 15/39 with a D.I.D chain, renthal front sprocket and ducati performance alloy rear sprocket. this set up has been on for 10000 klms and i rarely adjust it. lube it plenty though.

[Ains.]

I went the renthal alloy back sprocket way last C&S swap. It lasted 2000kms and a track day then was goosed.
Goosed, like it had busted off teeth and the rest worn to a point! The chain was aligned properly too and the sprocket was the correct fitment for a 520 x-type chain. Chain doesn't have any tight spot in it and is still on the bike. Front sprocket not worn at all.
It might have been a duff cast but I'm back on steel back sprockets now, stuff the weight saving.

Ains.

[Jools]

Funny that, cos I've got brand new steel sprockets on the T8, but I've had a renthal alloy one along with another Tsubaki (albeit 525) on my ST2 for 15K miles now and they're still looking good. Anybody who's ridden an ST2 will know that they've got loads of low down grunt that you would think would punish chains and sprockets.

Mind you, I find that the life span of these things seems inversely exponential (If that makes sense), in other words they seem fine for ages then die very suddenly...I find Pirelli Diablos are like that as well and lull you into a false sense of security. They get to about 3000-3500 miles and you think "Blimey, these are wearing well, got another 2K in these at least" then you go for a 200 mile ride out and they're knackered when you come back.

[graham]

cheers guys
i have went for the DID gold and renthall sprockets 15/38
sould arrive tomorrow