ITEM NAME:31.8x28.6x40mm Aluminum Alloy Bicycle Handlebar Stem Riser Cycling Parts Product Description Description: Features: 1. Exquisite workmanship, simple. 2. Wear-resistant and shock-resistant, comfortable feel. 3. Aluminum alloy, more solid and cooler. Specification: Material: Aluminum alloy Color: Black Product size: 95*50*40mm/3.7*2.0*1.6in Net weight: 180g Gross weight: 180g Driver caliber: 31.8mm/1.3in Front fork diameter: 28.6mm/1.1in Angle: 0 degrees Height: 40mm/1.6in Center distance: 40mm/1.6in Surface: Sandblasted Anode Note: 1. 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! 2. Please allow 1-3cm measuring deviation due to manual measurement. Included: 1 x Bicycle Handlebar Stem Riser.Included: 1 x Bicycle Handlebar Stem Riser. Aluminum alloy, more solid and cooler. 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.