Prime doyenne bottle cagethis bottle cage is perfect for both road and mtb use as its distinct design and shape means that your water bottle remains extremely secure over the roughest terrain. It features a tough plastic construction, which keeps its weight reduced down to 30g, while coping in all weather conditions. Prime has also equipped this version with a unique aesthetic that adds style to every ride, while its matte black finish is complemented by a choice of colours. One final highlight is it's compatible with nearly all road and mountain bike frames for quick and easy installation.features material plasticfinish matte blackuse road, mtbcompatibility compatible with nearly all road and mtb framesextremely secureweight 30g buy prime components from chain reaction cycles, the world's largest online bike store.