Triple chain rings on BMX cranks – Atomic Zombie builders forum

“I’m going to try this on my “Granny” trike as soon as I can find some way of adding two sprockets to the (inevitable) one-piece bottom bracket. I will find a kludge to mount them up, somehow or other. “Granny” is a second-hand “store bought” upright trike. ”

Read more and join the discussion: Triple chain rings on BMX cranks

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