This left lever just take off from new bike, never used. The Shimano BL-M7100 SLX Hydraulic Disc Brake Lever Left I-SPEC EV Clamp Band is a high-quality brake lever designed for use with a variety of bikes, including cyclocross, downhill, trekking, and mountain bikes. It is made by Shimano and has a Downhill Bar / Flat Bar / Riser Bar handlebar type. The lever is positioned on the left side and is compatible with the Shimano SLX BL-M7100 model. This product is a part type brake lever and is designed to provide reliable and efficient braking performance.