Kalloy 820 Stem It's Adjustable Comfort is a big topic when it comes to riding a bike. If you're uncomfortable, you won't want to ride that much. Components like a new stem can put your handlebars in a more ideal position so you can ride in a comfortable position. The Kalloy 820 Stem is adjustable, which means you can move it up or down with an Allen wrench for a more ideal riding position. Want a more relaxed ride? Adjust the stem upward. Want a sportier feel? Adjust the stem downward. Features Adjustable stem for more comfort Easily adjusts with an Allen wrench Available in different lengths and different clamp diameters SPECIFICATIONSLength90, 95, 110mm Rise Whatever You Want Bar Clamp Diameter25. 4, 31. 8mm Stack-Material Aluminum Intended Use Hybrid, Road, Commuter, Light MTBWeight N/A | Kalloy | 820 Stem 110Mm 31. 8 Clamp Adjustable 1 1/8 Aluminum Black