Titanium Chainrings screws for Brompton

Product name:Titanium disk brake fork& Triangle  for 20”Brompton Material: tube:TitaniumGR9 Ti-3Al-2.5V,Hooked claws:TianiumGR5 Ti-6Al-4V Welding process: TianiumGR5 Ti-6Al-4V 1.2mm wire argon arc welding Main Pipe wall thickness：front disk brake fork：1.2mm；Rear disk brake triangle：0.8mm Weight:Front disk brake fork :335g±8g ,is 57.8% of original .Rear  disk brake triangle :470g±8g, is 58.8% of original Size:Front disk brake fork:100mm,Rear disk brake triangle:135mm