XAM Sprocket Kit Yamaha YZ250F '05-'09 X-Ring 13/49 Tyre Width Imperial_5.00 INCH Optional Replacement Circlip (not included):

Optional Replacement Circlip (not included): CW12

Top Inside Diameter: 114mm

so it works on almost anything with a wheel

Other specifications: Number of plugs: 2

XAM Sprocket Kit Yamaha YZ250F '05-'09 X-Ring 13/49 Tyre Width Imperial_5.00 INCH Optional Replacement Circlip (not included):XAM chain and sprocket kits are the perfect drive maintenance kit for your bike. The perfect alternative to expensive OEM replacements, it is designed to meet and exceed OEM specifications. Supplied in presentable packaging with a carry handle for convenient transportation. Features: Includes strong and durable C49 high carbon steel sprockets. Paired with a high quality XAM chain.