M-Wave Threaded Bottom Bracket for Shimano Hollowtech2 weight 90 gfor Shimano Hollowtech II cranksetinner diameter 24 mmsealed bearingcups made of aluminiumshaft made of plasticCNC-machinedouter, CNC machined aluminium bearing cupsincl. 3x adaptor rings
M-Wave Threaded Bottom Bracket for Shimano Hollowtech2
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