Just trim it off. I tried drilling the first set of Renthals I put on, it was a massive PITA to do and I ended up with them at the wrong angle.

I've not had any problems with them spinning on the bars.

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I spent a lot of money on travel and racing motorcycles - the rest I just squandered.

XT660Z - Commuter, Adventurer...Racer?

www.dashmoto.net

Other bikes >> MT-03 / CG125BR-J / ER-6F
Departed >> ZXR400L3 / EC300 / DR-Z400E / DR800S / GPZ500S / GS400