matt24777":3t6ldj9c said:I used these rings on these cranks on a 113mm bb with a m737 high band style mech and m737 rapid fire with no issues whatsoever. In fact it shifted really well with no rub.
Which is why I'm somewhat confused!
FluffyChicken":ne2y4w6t said:Easy to tell, stick them on the end drive side and measure to cup. Assuming the rpm is also a fixed cup that side.
Hope the 107 works well.