Box components Box One Chain Tensioner Speeds 10mm 7075AL Red

.top{margin-bottom:30px;}.top li{margin-left:5%;margin-right:5%;margin-top:10px;line-height:120%;list-style-position:outside;}BOX One Chain Tensioner - 10mm Axle Size 2 Mounting Holes Red. Box One Chain Tensioners are extruded then CNC-machined from 7075 aluminum for an optimal balance of strength and weight.7075-T6 aluminum Two axle hole design Sold in pairs Stainless steel hardware