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Ships within 48 hours · Estimated delivery Aug 4 - Aug 9
75 through 2
It requires a 19mm bottom bracket (not included)
This will fit most old and mid school BMX bikes
Chromoly bolts
The best-selling model for over 100 years
MCS 42t BMX Chainring - Red - 104mm 4-bolt - USA Made 38t 75 through 2The MCS 4 bolt chainring is an all American CNC machined product made of 6061 aluminum. It features an almost perfect round circumference, which will facilitate achieve an even tension of your chain. This chainring has a 104mm BCD, 4 bolt pattern and fits 3 32" chains. MCS chainrings are MADE IN THE USA! Size: 42tColor: Red
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