Material: Aluminium</br> Handlbar type: Flat Bar; Riser Bar</br> Bar Bore Clamp Diameter: 25.4mm, 31.8mm</br> Bar Length: 60cm (for 25.4mm Bar); 62cm (for 31.8mm)</br> About shipping time:</br> If order is fullfiled by Amazon, it will be fast.</br> If order is fullfiled by Abuyamoy (seller), it's shipped from China, normally shipping time is 7 to 15 business days.