kalloy Aluminum Stem Bicycle Lightweight Model Double Butted Bar Only Weight: 90g (110mm) Clamp Diameter: φ31.8mm Column Diameter: Oversize Angle: 7 degrees Road Mountain Cross Bike Cycling ASA-105Length: 60mm Barbore: 31. 8mm Steerer: 28. 6mm Weight: 107g (90mm) *Double butted handlebar only Founded in 1980, the company primarily manufactures stems, handlebars, and seatposts. We are expanding globally, including Europe, North America, Central and South America, the Middle East, Southeast Asia, and Northeast Asia. Product model number: ASA 105 Color: Black Size: 60mm Material: Aluminum Package size: 24. 2 x 13. 4 x 5. 1 cm ; 112 g