FIFTY-FIFTY Mountain Bike Stem Designed to bridge the needs of AM and FR riders, light enough for AM, tough enough for FR Fit for 31.8mm handlerbar, 1-1/8"steer tube Great quality and Sharp looking Easy to install Use: All Mountain, Trail, Enduro, Downhill, Freeride, Cross Country FIFTY-FIFTY 1-1/8-inch Light Bicycle Aluminum Headset Top Cap & Stainless Steel Bolt. And offering a variety of colors of Aluminum Bike Headset Top Cap to tailor different needs. Exquisite Design Each top cap is made with anodized aluminum with the custom designs laser etched on the product. Lightweight Headset Top Cap It weighs 2.18 oz (6.2 g) and fits a standard stem cap bike design (1-1/8" bolt). 5 Colors Choice Available in a whole of colors to perfectly match with your ride