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Ships within 48 hours · Estimated delivery Aug 4 - Aug 9
This BB is designed to be used with old school 1-piece cranks that have a 28 tpi and frames that have a classic American shell
The original authentic Scott-Mathuaser block brake pads
"Short Black Design" with diamond-shaped small knobs for increased speed
The actual crank may vary slightly in appearance
Chromoly bolts
MCS 42t BMX Chainring - Blue - 104mm 4-bolt - USA Made 115mm This BB is designed toThe 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: Blue