ALTER MIDNIGHT SERIES COG

ALTER MIDNIGHT SERIES COG

Material : Aluminum alloy (7075/T6)

Thread : 1.37"x24 TPI

Chain width : 1/8"

Tooth Count : 15T.16T.17T.18T.19T

Weight: 15T=21g / 16T=25g / 17T=29.2g / 18T=34g / 19T=38.2g

Color : Black / Purple

Compatible with most track hubs in the world.

Made in Taiwan