XS Threaded insert spacer, much stonger than the direct thread hole on aluminium spacer
The thread inserts are precise machined and strong
Xiangsheng wheel bolt-on adapters are made from high quality AL 6061 by 4-axis CNC, Each adapter comes with steel made threaded insert, common thread M12x1.5, M12x1.25, M14x1.5, 1/2x20, 9/16-18, M14x2.0, thickness like 30mm, 35mm, 45mm, and any thickness are available according to special request. adapters let you bolt on rims with different offsets and lug nut holes.
