Ducati Sporting Club UK > Model Specific - Discussion, Technical Problems and Help > 999 / 749 > '04 749S - lowered gearing?

[andyb]

how do you work out that two links are worth 4mm?

[electricsheep]

Hi Shazaam,

I presume that adding 2 link increases the chain length by 32mm, but because the rear sproket is larger thats why the rear axle only moves 4mm

Is this right

Rob

[749R]

Shazamm, thanks for the advice. What combination would you recommend ? I will post a photo to show how far the back wheel has been pulled forward.

Regards

[749R]

Pics as promised of swinging arm.

Regards




[Edited on 5-6-2004 by 749R]




[Edited on 5-6-2004 by 749R]

[electricsheep]

Hi 749R,

where did you get those swinging arm protectors

Rob

[749R]

My mate made them up. Have a look at the Phots section and you will see the full bike.

[timetrial]

i've just gone the alternative gearing route taking the rear up to a 41T and moving to a Tsubaki Sigma X Ring chain at 100 links.

noticed the swing arm protectors too - i've just bought some from a company in Australia via e-bay! cost me £21 including p&p - will post pics when they arrive.

[spartacus]

Does anyone know a good reliable online store for getting sprockets and chain, since i've got my rear wheel off now (damned punctures) and would be the ideal time to fit a larger rear sprocket for the quicker acceleration. I'd go to the local shop but i'm working nights and tend to miss most of the day

[andyb]

B + C express mate..... tsubaki chains, did erv2 chains, renthal sprockets etc etc....

[andyb]

749r, Looking at your piccies, and you say up 3 teeth and std chain, i cant help but note how short your wheel base is!! have you measured it?

Measure from the swing arm pivot to the centre of the wheel spindle, what you got? then ask JHP etc what would be good, i recon 500mm is the desired length..