Originally Posted by
Andrew R Stewart
Only the caliper needs to be kept snug up against the frame and the caliper is only on one side of the frame, thus only one curved (not concave) spacer/washer. However if the center bolt is long enough or if one is running fenders I really like a second curved spacer. Andy
Agreed Andy. The washer that is there has already taken on some curvature. Fenders are a desire for the future.