DT Swiss EXP Ratchet Upgrade Kit

This kit is specifically designed for DT Swiss hubs that utilize the Ratchet EXP system. It will not work with older DT Swiss Star Ratchet hubs or non-EXP systems, so please verify your hub model before purchasing.

Increasing to 54 points significantly reduces the engagement angle, meaning your drivetrain engages almost instantly when you start pedaling. This provides a more responsive feel, which is particularly helpful for technical climbing and navigating tight, twisty trails.

Yes, installing the Ratchet EXP upgrade requires the specific DT Swiss ring nut tool designed for the EXP system. While the installation is straightforward for experienced mechanics, you will need the correct tool to remove the existing ring nut and install the new one.

The kit includes the two 54-tooth ratchets, the necessary springs, and the required high-quality bearings. It is a complete internal service kit for the Ratchet EXP mechanism.

Yes, the 54-tooth ratchet produces a higher-pitched, more frequent buzzing sound when coasting compared to the standard 36-tooth version. This is a normal characteristic of the increased engagement points.