Controltech Titanium Bicycle Bike Stem for Road/MTB/Ebike/CX use 5D 31.8mm

Specs: Model: ATB-937 Made For ：XC, race and trail Stem/Faceplate Material：6AL-4V Titanium Bolts Material ：6AL-4V Titanium Length ：110mm ( 146g ) /120mm ( 152g ) Rise ：+/- 5º Stack Height ：40mm Bar Diameter：31.8mm Steerer Diameter ：28.6mm Weight : approx.146 grams / 5.2oz Why titanium?  Titanium is legendarily hard to cut, weld and work with, but the benefits are clear at first sight: it’s highly resistant to fatigue, cracking and corrosion, extremely strong and incredibly light. It maintains an exotic sheen that’s unmistakeable, and as the material of choice for pioneering spaceships, its exoticism goes beyond looks. Undiscovered until 1791 – and named for the supremely strong Titans of Greek myth – titanium remains a wonder-material. All this – plus a natural ‘springiness’ that damps vibration – makes it perfect for high-specification cycle components. Ultra strong and light stem made from 6AL-4V titanium – the same alloy used in airliners, aero-engine parts and top-level motorsp