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BR-MT520 4 pot calliper, post mount
fits without to much fuss. upgrade from 2 pot to 4 pot braking…discs also make a big difference.
for UA2 frames (no separate dropout at the rear)
BR-MT520 4 pot calliper, post mount
fits without to much fuss. upgrade from 2 pot to 4 pot braking…discs also make a big difference.
for UA2 frames (no separate dropout at the rear)