Details

- CNC-machined 6061-T6 aluminum with rounded tooth profile to reduce chain wear

Part Numbers

Option	UPC	MPN	Store SKU
Black / 38t	639266089834	BX-CR144B38T-BK	CHA3040998K
Black / 40t	639266089858	BX-CR144B40T-BK	BOX21589375T
Black / 42t	639266089872	BX-CR144B42T-BK	CHA30821309K
Black / 44t	639266089896	BX-CR144B44T-BK	CHA30242353K