Stem with an insert which, by reversing it, allows you to regulate the size of the stem: Pro (45mm or 52mm) or Pro XL (50mm to 57mm)
Aluminum 6061 T6 machined CNC.
Tightening Top load 4 screws allen
Pivot: 1-1 / 8 "
Weight: 226 g (pro) / 260 g (pro XL)