These Tubeless valves are made of aluminum and are very light. In black-anodized they look very sleek on any rim. The conical valve base works universally and will fit in most rims.
TL-Valve, 40 mm, twin-pack, Art.-No. 3460
Extension, 30 mm, twin-pack, Art.-No. 3461
Extension, 65 mm, twin-pack, Art.-No. 3462
If these valves do not work in some rare cases than you best use the valves provided by the wheel manufacturer.