Bike single speed freewheel. Made of chromoly steel. Nickel plated teeth for high durability. Black lock ring.
Freewheel 13T / 14T / 15T: inner diameter=29mm, 30poe(points of engagement), hub thread type=m30*1, fit chain size=1/2"*3/32"(compatible with up to 9 speed chain), loose ball bearing.
16T / 17T / 18T freewheel: inner diameter=34mm, 60poe(points of engagement), hub thread type=B1.37"*24tpi, fit chain size=1/2"*3/32"(compatible with up to 9 speed chain),loose ball bearing.
Special tool(8 splines) is required for the removal of the freewheel. Please choose "small tool" for the 13T / 14T / 15T; “big tool” for the 16T / 17T / 18T.
PLEASE check carefully the freewheel technical data before purchase!Tool needs purchase seperately.Sale unit:1 piece.