Mua Hợp Kim nhôm Xe Đạp Thân Tăng Điều Khiển Ống Mở Rộng Tay Cầm (Màu Đen)-quốc tế

Aluminum Alloy Bicycle Stem Increased Control Tube Extend Handlebar Stem Heighten Bike Front Fork Bicycle Parts Accessories Features: Constructed of high-strength CNC machined 6061 T6 aluminum alloy Suitable for mountain bicycle to rise up the handlebar fork stem Can extend the fork stem by 35mm maximumly Easy installation, just connect up the original front fork stem Specifications: Color: Silver, Black (optional) Material: Aluminium alloy Base diameter: 1-1/8" (28.6mm) Fork stem diameter: 28.6mm (standard) Length: Approx.12cm / 4.7in How to install: 1. Insert STEM-UP onto the fork stem and place height adjusters onto STEM-UP until your preferred height level for your stem 2. Stem and wheel in the same direction and highten clamping bolts of the stem