Superlite is way better then supersprox. I use superlite on my R6 and my Ninja. This sprocket can take any type of abuse, and still looks good.
Superlite 520 Sprocket And Chain Kit - Quick Acceleration
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The chain is sparkling and the sprockets are steel so I'm hoping for durability. The kit does everything it promotes. Definitely an upgrade in acceleration. It does play with the speedo. I needed a leverage pipe to get the front sprocket off.
We do also offer other Chain/Sprocket kits that would let you select the specific sizes of the sprockets you would like. I would recommend taking a look at the Vortex Sprocket & Chain Kit 520 for your R1: http://www.motosport.com/motorcycle/Vortex-Sprocket-Chain-Kit-520