(PAIR) Bottom Bracket 1/4" (Inch) x 9 Ball Cage bearings STD, Square Taper Axle

1/4" BEARINGS INSIDE A CAGE, TOTAL WIDTH 30mm. AXLE CYCLE / BIKE BEARINGS 1/4" BEARINGS. SEAT BOLTS. QR SEAT BOLTS. these parts are used on original production of millions of bikes every year. These are imported by us in bulk from our factory in Taiwan.