Xtreme Alloy Steel Rear Sprocket Yamaha YZ 125 250 & YZF 250 450 1999 2023 Blue 51T

The Apico Xtreme Alloy/Steel Rear Sprocket - Yamaha YZ 125/250 & YZF 250/450 1999-2023 - Blue/51T is part of the latest performance motocross, enduro and trials motorcycle hard parts range from Apico. . Apico parts are designed to be an exact replacement to OEM parts. Made from durable materials, they are easy to fit and add a factory team look to your ride. . Manufactured using a high grade C45 Medium Carbon Steel outer ring and rear face with a recessed CNC machined 2024 aluminium Inner front face for weight reduction. . The outer steel section of the rear sprockets have a black polished finish and the inner aluminium face has an ELOX finish in individual OEM colours. . To fit: . YAMAHA YZ125 1999-2023 . YAMAHA YZ250 1999-2023 . YAMAHA YZF250 1999-2023 . YAMAHA YZF450 1999-2023 . YAMAHA WRF250 1999-2023 . YAMAHA WRF450 1999-2023 . Manufacturer part number: BN31 51T BK/BU .