Features: *Height Adjustment: This mountain bike handlebar riser features multiple adjustable spacers, allowing you to customize the height according to your riding preference for optimal comfort and performance. *Wear-Resistant Material: Constructed from high-strength CNC aluminum alloy, this riser offers a lightweight yet robust design that enhances durability and withstands the rigors of biking. * Secure Fixation: The dual-screw locking mechanism ensures that the stem is firmly and stably fixed to your bike, and will not loosen even during intense riding, giving you peace of mind. *Rust-Proof: Designed to be waterproof and rust-resistant, the aluminum alloy material not only contributes to longevity but also maintains performance in various weather conditions. * Enhanced Comfort: By reducing the pressure on your back and hands during long rides, this stem can enhance your overall riding experience and is a must-have upgrade for any cyclist. Specifications: *Product Name: Bicycle Stem Raiser *Material: Aluminum Alloy *Size: 3.5*3.5*13.5cm, Weight: 194g *Color: Red，Black，Gold Package Content: Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data. [CUSTOMIZABLE HEIGHT] Tailor your handlebar height with multiple spacers, allowing you to find the perfect fit that enhances comfort and performance tailored to your riding style. [ CONSTRUCTION] Crafted from robust CNC aluminum alloy, this handlebar riser is lightweight yet incredibly strong, it withstands the demands of serious biking enthusiasts. [RELIABLE LOCKING SYSTEM] The innovative dual screw locking design secures the stem firmly in place, providing stability even on the toughest trails without any risk of loosening. [WEATHER RESISTANT] Built to resist rust and water damage, the aluminum alloy material ensures that your handlebar riser maintains its integrity and functionality regardless of environmental conditions. [IMPROVED RIDING EXPERIENCE] By minimizing strain on your back and hands during extended rides, this riser significantly enhances comfort for cyclists looking to upgrade their gear.