Braking and Performance Links
Click the images for links
Galfer Wave Front Disk DF940CW
The Powerparts disc, the similar galfer here, or my favourite, the Moto Master Flame improve the cooling, allowing better braking
Bagoros Performance Cooling Duct
If you really push the front brake hard then this could give you the edge.
Race Dynamics FuelX
Lite or Pro, the FuelX is a game changer for the Duke. The autotune Lite will transform low speed running and also allow you to safely make exhaust and airbox modifications. The Pro allows AFR adjustments while riding