Precision double CNC machined 144bcd reliable track chain rings sized 47-65 toothPolish silver or hard anodized finish, profiled teeth = free watts144mm 5-bolt62THard Anodized Black1/2` x 1/8`Standard
Precision double CNC machined 144bcd reliable track chain rings sized 47-65 toothPolish silver or hard anodized finish, profiled teeth = free watts144mm 5-bolt62THard Anodized Grey1/2` x 1/8`Standard
Precision double CNC machined 144bcd reliable track chain rings sized 47-65 toothPolish silver or hard anodized finish, profiled teeth = free watts144mm 5-bolt62TPolished Silver1/2` x 1/8`Standard