Radio Zilla Euro/BSA to Mid BB Set

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The Radio Zilla is an outboard bottom bracket set for frames with a threaded BSA or Euro shell, so you can run a BMX crank spindle in either 19mm or 22mm.It uses oversized sealed b earings with 6061-T6 alloy cups, cones and spacer and stainless bearings. Crank arm spacers plus 68mm and 73mm tube spacers are included so it suits either shell width. The 22mm set weighs 170g. Show more