Ah, the Ninja edit got in seconds before my post telling you how stupid this is
Ha ha, I suddenly saw it coming.
I reckon it'll work though even if it is just shaving a few grams off the weight of a tank. I've seen some trials riders and BMXers take pretty large sections out of their head tubes and bottom brackets without any problems and I've got plenty of scrap carbon fibre tubes at my disposal to keep the dirt out.
Ha ha, I suddenly saw it coming.
I reckon it'll work though even if it is just shaving a few grams off the weight of a tank. I've seen some trials riders and BMXers take pretty large sections out of their head tubes and bottom brackets without any problems and I've got plenty of scrap carbon fibre tubes at my disposal to keep the dirt out.