there must be a mistake with what they sent you, the bb, tsunami take a 42/47 gear, the lightning takes a 39/44 gear, you must be getting the 44tooth 2nd gear for the lightning, you need the single speed, this one: 05112
http://www.redcatracing.com/itemdeta...p?partno=05112
i think clermont has it too, i would email him before you get this one, i think this is it:
http://www.clermontmotorsports.com/s...al-Gear/Detail