The System Ex Adjustable Riser Stem offers versatile handlebar positioning with its integrated 60mm rise and adjustable angle from -10° to +60°. Crafted from strong 6061-T6 alloy, it ensures durability and reliability for a smooth ride. Its secure four-bolt clamp fits a 31.8mm bar bore and 1 1/8" steerer tube. What It’s Good For Customizing handlebar height and angle for comfort Enhancing control and steering precision Durable construction for long-lasting performance Easy installation with a secure four-bolt clamp What It’s NOT Good For Use with handlebars or steerer tubes outside specified sizes Riders seeking a fixed stem without adjustment options Applications requiring lightweight carbon components Frequently Asked Questions Can I adjust the stem angle while riding?The stem angle should be adjusted when the bike is stationary to ensure safety and proper torque. Is this stem compatible with all handlebars?It fits handlebars with a 31.8mm bore diameter and a 1 1/8" steerer tube only.