RC glider fixed landing gear

This landing gear is designed for a glider rc 3 to 5 m (alpina 5001 in my case), up to 5 or 6 kg, whose fuselage is about 9 cm in diameter. A 3mm threaded shaft rotates in a 4mm brass tube embedded in the rim.
The tire is printed in 2 parts in soft PLA

Solidworks 2018 file inside, ask me if you need other files