ITEM NAME:Bicycle Stem 31.8mm Mountain Road Bike Stem Aluminum Alloy Handlebar Stems Product Description Description: WAKE 31.8mm Bicycle Stem Mountain Road Bike Stem Aluminum Alloy Strong 7 Degree Handlebar Stem Cycling Parts Feature: Exquisite patterns, fashion trends. Beautiful workmanship and simple appearance. Wear-resistant, shock-proof, and comfortable. Made of aluminum alloy, strong and solid. Specification: Brand: WAKE Name: bicycle handle riser Material: aluminum alloy Color: Black Product size: (31.8 * 90mm)125mm * 50mm * 46mm/4.92*1.96*1.81in Net weight: 185g Gross weight: 188g Handlebar Diameter: 31.8mm/1.25in Front fork Diameter : 28.6mm/1.13in Angle: Â ± 7 degrees Center distance: 90mm/3.54in Surface: sandblasting anode Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-3cm measuring deviation due to manual measurement. Included: 1 x Bicycle Stem.Included:1 x Bicycle Stem. Made of aluminum alloy, strong and solid. Material: aluminum alloy. If item is defective after 3 months, you can still send it back to us. We will send you a new one after receiving the defective item.