KS LEV Integra/LEV DX Cartridge

If your seatpost is sagging, failing to return to full extension, or feels inconsistent despite proper cable tension, the internal oil pressure cartridge is likely worn out. Replacing it is the standard fix for these symptoms.

No, this specific cartridge is designed for KS LEV Integra and LEV DX models with 80mm of travel. Always check your specific post's travel length and model generation before purchasing, as internal components vary significantly across the KS lineup.

Yes, if you have basic bike maintenance skills and the necessary tools to disassemble your seatpost. However, it does require opening the post and handling internal seals, so consult the official KS service manual for your specific model before starting.

This cartridge is a self-contained unit. While it replaces the core pressure mechanism, it is often recommended to perform a full service with a fresh seal kit at the same time to ensure the smoothest possible operation.

You should not do this. The cartridge length is specific to the travel of your post; installing the wrong size will prevent the post from functioning correctly and could damage the internal structure of the seatpost.