Originally Posted by
1500SLR
11x3 equals 33, but you would have to see whether your bike frame, rear wheel and bottom bracket can cope with an 11x3 setups. Even a 3x10 or 2x11 would give you more gear choices. However, a lot of those gears would be overlapping so it's not really always beneficial.
then you calculate the gear ratios and eliminate the redundancies and those with range overlaps and see just how many different useful gear ratios you have left..
hint : its less
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