The vel t5 sl bottle cage made from t5 tempered 6061 aluminum making it lightweight while still maintaining high strength properties this open style bottle cage weighs just 28g making it ideal for race use but with enough durability to double up for off road adventures this vel bottle cage has been designed to fit any bike with standard seat or down tube mounting finally this cage has a black anodized finish with an etched vel logo vel t5 sl bottle cage features 60