Specialites Ta Chinook 10 11x 4 Arm Chainring

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.Key features:material: 7075 t6 aluminiuminner: 64pcdmiddle: 104pcdouter: 104pcd 18 23mm wide armcolour : blackweight : 65g outer 42t 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.

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.Key