Spending money on parts i may never use.
 

I have just spent bucket loads of cash on 996 on a service very well done by Nelly (CORNERSPEED) and also been buying parts galore as i am a beliver you can never have to many spares for that rainy day, but i may never ever use most of what i bought.
But one thing i will be using is my quick change rear sprocket carrier when it arrives, but i have bought off a site member 4 Renthal rear sprockets which i have not got a clue what the rear does when it is changed as the standard is 36 but now i have 36, 37, 38 and 40 so what differences am i going to expect when i go bigger on the rear? I have already done the easy mod of putting 14 on the front and have seen the improvments and i am changing from a 525 DID to 520 Renthal system.
:ninja::ninja::ninja:

You can expect more of the same! As a rough rule of thumb, going up 3 teeth at the rear is equivalent to going down 1 tooth at the front. So, more acceleration but lower top end.

Hope this helps,

Neil.

Bip,did it make much difference with the smaller front cog,'cos mines just been done while its being serviced ?.

Put a 14 tooth on my ST4 a while back. Much easier pulling away, smoother two up, far better around town, about 500 revs more in top gear for the same speed. I would say if your doing lots of motorway riding then stay standard but for everything else then 14 is the way to go.

On my 916 Strada race bike I run 14/38 on a lot of the tracks, which gives good punch out of corners, but isn't suitable for Silverstone GP where 15/38 would be more suited (14/36 was still to low) same would apply to Snetterton, but on the roads where out right top speed is rarely used, the hard acceleration out of corners on the lower gearing will be far more useable and above all more fun, just mind the 3rd gear wheelies as mine has a tendancy to bring on the oil light.

my oil light comes on if i do wheelies too skidlids, is it normal?

sorry to butt in yellow bip.

joe.

Not usually in first or second only seem to have it light up when in 3rd which is close to the ton (15/37 gearing) and the oils had loads of time to drain to the rear of the engine. I suspect a deeped sump testastretta engine is needed to avoid this problem.

Mogwai yes it did make a difference on putting the 14 cog on the front and i think i am going to put the 38 on the rear and see what happens.

For £12 or so and half an hours work its got to be worth it. You can easily swap back if you dont like it.

i have a gear selection program that allows you to put in front and rear sprocket sizes and it will give you acceleration curves and top speed,if you want it.

So how much is a quick change rear carrier and sprocket compared to a standard one ?

I assume these aren't DP parts, so who sells them ?

Cheers guys.
John.

John,

Have a look at http://www.tecmoto.co.uk/ for quick release sprocket kits.

They have the carrier for 120 and then you can buy different sized sprockets for 36 each. The difference being that it's much easier to change the sprocket as you don't have to disassemble the hub and cush drives.



TecMoto also do an STM replacement sprocket and carrier - a complete unit like the Ducati one - at 86 quid.

I don't know how much a replacement Ducati one would be, but a quick phonecall to your local dealer will tell you that!

Thanks Antonye,

I just rang CMW and a standard front sprocket is 103 incl vat.

So, only need to change the sprocket twice and its paid for itself...

I'll add it to my wish list ;)

John W, if you wish to play around with the gearing it does pay to go for the quick realease option as standard Ducati Rear Sprocket is as you say £103 or £142 for Ducati Performance. I now have a 36,37,38 and 40 tooth rear sprockets to play around with and luckily for me i had bought these 4 + chain + front 14T for £50 all i had to buy was carrier which was £104.
So worth every penny, But moral for this post is that my loft has loads of spare parts in it also does my garage and i even have a red Complete body kit just for those slow days :lol::lol::lol:

Blimey YB,

sounds like your trying to build a second bike on the sly.
One of my mates once brought a bike, disassembled it and stored it in his loft. 6 months later he declared to his missus he thought he had enough 'spares' to build a second bike, which he duly did :lol:

Sounds like you got a good deal on all those sprockets & chain. I guess I'll have to keep my eyes peeled.

Cheers,
John.

Cheers JW you have just given me a good idea on how to get a second bike just do'nt tell me Mrs.