HARGA SATUAN / 1 PCS Material: aluminum alloy Color: black, silver, red, gold, blue, green Product size: 15 X 9 X 9mm/5.91 X 3.54 X 3.54 #34; Features: 100% brand new and high quality, mudah dipasang There are environmental sealing rings, and no leakage happens Presta to Shrader bicycle road bike valve adapters Be used along with a bicycle pump or air compressor