also Mika Ahola (soon to be a CH Racing rider again) is recommending these, Just FYI ( I am still up the air for a battery swap) My OEM lead acid is still in place, Ive been on the fance with this one for @ 1 year all ready. This may be the finalizer of my descision. http://www.super-b.com/news/31/super-B-rider-Antoine-MEO-(FRA%2dHVA)-world-champion-Enduro-1.html Having just won 2 enduro world championships speaks well of the super b.