Description Aluminium aluay material, it is environmentally friendly and durable. Adjustable size of tis knd of mini bicycle cycle bell it for many knd of bikes. Yüksek kaliteli alüminyum, daha sıcak ve net bir ton sunar, daha ucuz zil seslerine kıyasla. Anti-rust aluminum alloy and ultra-tough plastic base provides long service life for this bicycle bell. The most important thing is that the bike bell can produce a loud, long, crisp silvery sound. Specifications Color: Gold, Blue, Red, Black, Purple, Silvery, Green Material: aluminum alloy Size: 3.2*5*5.8cm, 20mm minimum buckle diameter, 25mm maximum buckle diameter