Description

鈦合金方便輪內部設計用上雙培林，輪子直徑為66毫米，比原裝膠製輪子大約12％，使滾動時更加順暢及穩定。

These titanium alloys easy wheels are fit for the existing roller wheels while exclusive design of double bearing that they are more smoothly and stability when scrolling.
Wheel diameter is 66mm then it’s about 12% larger than originals plastics wheels.