Fly Volcano Topload StemThe two brand new Volcano stems feature an overall wider clamping area, anti slip grooves along with wider bolt heads, all to help increase holding power and keep your bars exactly where you want them. They also feature some very clean machining, not only to save weight but also give them a personal look and help set them apart from the sea of very similar looking stems out there ###section### Product Specs TYPE: Top Load REACH: 50mm RISE: 30mm