KYB 12-13 Yamaha YZ250F/ 19-20 GasGas EC Ranger/21-23 Rieju Rear Shock Seal Head 46 mm. / 16 mm.

This KYB rear shock seal head measures 46mm on the outside and 16mm for the shaft. It's a well-made replacement part designed to keep the oil inside your shock and dirt out, which is crucial for smooth suspension performance. When the original seal starts to wear out, you might notice leaks or a harsher ride, and replacing the seal head is often the fix.

KYB is a well-known name in suspension components, and this seal head is built to the correct specifications for a proper fit on compatible Yamaha YZ250F models from 2012-2013, GasGas EC Ranger models from 2019-2020, and Rieju models from 2021-2023. Ensuring you have the right size seal head is important for maintaining the integrity of your rear shock absorber and getting the most out of your bike's suspension.