
--Extended edition plus or minus tooth shape, the chain can effect better;
--CNC machining integrated, intensity is more secure, appply for long time cycling;
--The positive tooth corresponding chian tooth width; tooth corresponding negative chain is narow.
--It can help the vehicle reduce 1kg weight.
--Please determine your crank BCD specification carefully before buying.
Note: Our chainring fit for 7/8/9/10/11 speed, not fit xt M8000









Round Shape:
































