AT 47879 Interior plate, four arms INT 64 10V

The quality of gear shifting is very high thanks to ramps added on the outer chainring CNC machined chainrings compatible with 10 or 11 speed MTB Inner 64pcd - Middle/Outer 104pcd & 18 or 23mm arm width Please note there are two widths of arm available 18mm and 23mm This is measured where the arm of the chainring meets the arm of the spider just below the bolt holes Weight 65g (Outer 42t)