Titanium Bike Stem Cap 1.Grade5(6al/4v titanium) 2.Diameter:25.4/31.8mm 3.For stem production Titanium Bicycle Stem ... 4/31.8mmApplication: stem pruductionWe supply titanium frames (road, triathlon, track, BMX, cycloss etc. ), titanium bicycle parts (handlebar, clamp, stems ... /Gr.5 titanium tubing, rods, sheet, welding wire etc. ). For more product information, pelase contact us. Titanium Bike Stem Cap