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Ducati Corse
Posts: 3,134
Join Date: Jan 2002
Location: notts
Mood: Bloo and Yellow.. and Red now ;)
The other thing to remember on the 998 is your chain length.
The stock chain will not accomadate much more than 2 teeth on the rear with the 15T, without going longer.
Try a 14T front and if you like it then think about the bigger rear when you replace chain and sprockets.