Features: *Made of high-quality materials and durable. *If the original stem exceeds 30mm, you need to use a front fork spacer. *When locking the stem cover, lock the foot screws simultaneously. Do not lock screw individually or lock screw on the other side. *Hollow design helps reduce overall weight while improving aerodynamics. *For mounting 31.8 mm diameter handlebars, compatible with a wide range of bicycles and bicycle parts. Specification: Material:Aluminum alloy. Color:as the picture shows. QTY:1pc. Size:31.8*45mm. Weight:130g. *Product Name:Bicycle Short Handlebar Stem. Package Content: 1*Bicycle Short Handlebar Stem. Note: 1 The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data. Made of high-quality materials and durable. If the original stem exceeds 30mm, you need to use a front fork spacer. When locking the stem cover, lock the foot screws simultaneously. Do not lock screw individually or lock screw on the other side. Hollow design helps reduce overall weight while improving aerodynamics. For mounting 31.8 mm diameter handlebars, compatible with a wide range of bicycles and bicycle parts.