THREADLESS Bottom Bracket (for damaged Bicycle frame threads) Sealed Cartridge

KENLI SEALED BEARINGS "THREADLESS" CASSETTE BOTTOM BRACKET AXLE SET. THE 2 HALVES OF THE CASSETTE JOIN TOGETHER. 2 SEALED BEARINGS (1 BEARING CHAINWHEEL SIDE, 1 BEARING LEFT CRANK SIDE. for 68mm bb shell. ).

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