Description: Thanks to its good toughness, this bicycle water bottle cage will not deform or break in the event of an impact. Ideal for holding speakers or water bottles while riding, these straps are specially designed with a fasten tape bottom strap for better retention. It is made of high-quality nylon, plastic, steel material. The bike bottle bracket is available in 2 styles for you to choose from. Durable holder is suitable for bicycle, road bike. Item Name: Bike Speaker Holder Material: Nylon, Plastic, Steel Features: Easy to Install, Durable, Wear Resistant Size Details: Style A: Suitable Speaker Size: 13cm-29cm/5.12"-11.42", Suitable Bike Mount Size:8cm-26cm/3.15"-10.24", Speaker Length: Low Than 16cm/6.3" (Approx.) Style B: Suitable Speaker Size: 8cm-29cm/3.15"-11.42" , Suitable Bike Mount Size:8cm-26cm/3.15"-10.24", Speaker Length: Low Than 16cm/6.3" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Bike Speaker Holder