At its heat is a stout, 1-1/2-inch diameter ovalized titanium extension welded to a titanium back plate with a CNC dual binder clamp. Capped off with a two bolt aluminum face. Weight for a 120mm stem is just 186-grams; the Ti beam is available in five stock sizes plus completely custom. 25.4 Clamp diameter only

Ti Beam Mountain 1 1/8" only

Weight: 186g

90 x 6, 100 x 6, 110 x 6, 120 x 6, 130 x 6