S&M American Bottom Bracket Kit (19mm)

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AMERICAN BB KIT (2.25" OD BOTTOM BRACKET SHELL - ORIGINAL BMX SIZE). PERFECT FOR YOUR 90'S CHALLENGER BUILD! 2 6061 ALUMINUM CNC MACHINED CUPS W/ “S&M BIKES MADE IN USA” ENGRAVING 2 SEALED BEARINGS (R12-2RS) FOR 19 mm SPINDLE 1 ZINC PLATED CENTER SPACER FOR 19 mm SPINDLE - 1.93" (49 mm) WIDE FOR 2.64" (67 mm) BOTTOM BRACKET SHELL Show more