The bike stem riser adapter is an excellent solution for those looking to increase their handlebar height without compromising stability. This bicycle stem extender is crafted from durable aluminum alloy, ensuring performance. Ideal for both mountain bikes and road bikes, the bike stem riser extender allows for easy adjustments to achieve the desired handlebar position. Features -Color:Black -Material:Aluminum alloy -Size:11.80X4.30X4.00cm/4.64X1.69X1.57in -Ergonomic design: the handlebar riser is designed to elevate your bike's handlebar, promoting natural and comfortable riding posture -Durable construction: made from aluminum alloy material, this stem riser is lightweight yet strong, ensuring performance without rusting -Effortless installation: easily install this handlebar extender in minutes without the need for extra tools, making it accessible for all cyclists -Adaptable use: compatible with both mountain and road bikes, this stem riser provides greater flexibility for various riding styles -Enhanced riding comfort: by raising the handlebar height, this stem riser reduces back and shoulder strain, allowing for longer, more comfortable rides Package list: 1 x bike stem riser