I've Just splashed out on a pair of Dymag carbon fibre wheels for my 999S,the front is 3.5 inch wide and the rear is 6 inch....the front is the same as my standard wheel but the rear is bigger than standard (5.5). ...will this pose any problems when fitting the rear with a 190 tyre?. .and what are the pros and cons of the two sizes?
A 190/55 would be on the large side for a 5.5" wheel but ideal for a 6" wheel. Not sure what clearance you would have towards the front of the swing arm but I'm sure other 999 owners will have run a 190. Andy
Iirc, length of chain can be an issue. If it's too long or stretched, the tyre can touch the inside end of the swingarm, it depends on the profile.