Tensioner Assy BM150 - High-Quality Metal Accessory Tensioner Assy BM150 An essential accessory for your motorcycle's engine, this high-quality Tensioner Assy BM150 is crafted from durable metal to ensure optimal performance and longevity. Designed for a standard fit, it's an 'A class' component built to meet rigorous industry standards. Durable Metal Construction for extended lifespan. 'A Class' Quality ensures reliable engine operation. Standard Size for easy integration.