Adapts HEX J-Type 135/142 and Gravel Rear Hubs to QRx135.
Adapts HEX J-Type & Straightpull Boost 148 Rear Hubs to Boost QRx141

Compatible with:
- HEX J-Type 135/142 and Gravel Rear Wheels
- HEX Straightpull Boost Rear Wheels
- XD and HG Freehub Bodies

Not compatible with:
- SPIKE/OOZY/SPOON hubs