•Adopting high-strength Aluminum Alloy material, hard and wear-resistant, durable for long-term use •Use the adjustable stem height to achieve a more comfortable riding position, allowing you to sit more upright on bike, which is better for your back •Providing adjustable angle: +/- 17 degrees •Easy installation, just connects up the original front fork stem •Universal handlebar stem suitable for most road bikes, fixed gear bicycles, mountain bikes and so on Specification: •Material: 3D forged AL6061 aluminum alloy, T6 heat treatment, polished •Length: 90/100mm •Handlebar diameter: 31.8mm •Fork diameter: 28.6mm •Adjustable angle: ±17° •Stack height: 40mm •Weight: 90mm: 128g; 100mm: 133g •Surface treatment: anodized Package included: •1 x Bike Stem •Other things not included