Check the listing for details. Stem 31.8Mm Silver Stem Handlebar Riser Extender Aluminum Alloy Handlebar Stem f. Condition: New. Listed at 34.31 USD. HIGH QUALITY:This stem is made of high quality 6061 aluminum alloy.This aluminum alloy silver standpipe is not easy to deform, has strong and is .EASY INSTALLION:Easy to install, just connect the original front fork rod. Four screw rod clamps hold the rod firmly in place.Hollow design, better toughness.SIZE:The installation size of the front and vertical pipe is 28.6mm(1.1in), suitable for 31.8mm(1.3in) handlebars, the stem center length is 60mm(2.4in).GUARANTEE: If you are not satisfied with our product you received, you can send emails to us at any time. We will reply you instantly and help you solve your problem. Product Description Specification: Item Type: Bike Stem Color: Silver Material: Aluminum Alloy Purpose: Cycling Specification: Approx. 31.8x60mm/1.3x2.4in Installation Size of Front Fork Standpipe: Approx. 28.6mm/1.1in Stem Center Length: Approx. 60mm/2.4in Application: Approx. 31.8mm/1.3in Handlebar Package List: 1 x Bike Stem This bicycle silver riser is characterized by two way force and better stability, which is suitable for bicycle enthusiasts. This bike stem is made of high quality 6061 aluminum alloy.This aluminum alloy bicycle silver standpipe is not easy to deform, has strong corrosion resistance and is durable. Easy to install, just connect the original front fork rod. Four screw rod clamps hold the rod firmly in place.Hollow design, better toughness.