This new Shimano GRX BL-RX812-R brake lever is the perfect addition to your mountain bike. It is made of durable aluminum and has a sleek black color. This 1-finger brake lever is designed for the right side of your handlebar and is compatible with most mountain bikes. With a weight of only 80g, this brake lever is lightweight yet strong. It is part of the Shimano GRX hydraulic disc sub brake, and includes only the right brake lever. Upgrade your bike's braking system with the Shimano GRX BL-RX812-R brake lever!