Freewheel 108 ratch model for BMX and Single speed bikes.
It is a spring-reinforced type because can be used for trial bikes also.
We have a lineup of 16T to 18T and available for use 1/2" x 1/8" and 1/2" x 3/32" chain.
Weight: 160g (16T), 168g(17T), 175g (18T)
Number of teeth: 16T, 17T, 18T
Size : 1/2" x 3/32 "
Color: Black / Red