Shimano BL-M450 is a brake lever designed for use with U-brakes, typically found on mountain bikes. It features an adjustable reach to accommodate different hand sizes and preferences, ensuring a comfortable and customized fit. The lever also incorporates a cable carrier to hold the brake cable securely in place, preventing it from slipping or becoming loose.

The BL-M450 is compatible with Shimano's EXAGE brake systems, which are known for their reliable performance and durability. The lever is constructed from lightweight and durable materials, ensuring longevity and resistance to wear and tear. It is easy to install and adjust, making it suitable for both experienced cyclists and beginners alike.