AFFINITY PRO 144mm 63T ALLOY POL-SL COGS ABEC-3 grade replacement BB30 bearings
AFFINITY PRO 144mm 63T ALLOY POL-SL COGS ABEC-3 grade replacement BB30 bearingsPrecision double CNC machined 144bcd reliable track chain rings sized 47 65 tooth Polish silver or hard anodized finish, profiled teeth = free watts
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- USA
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Ships within 48 hours · Estimated delivery Aug 1 - Aug 6