ROCKBROS กระดิ่งทองแดงสําหรับติดแฮนด์รถจักรยาน Mtb

Product Details: Condition: Brand New Color: Silver Material: Copper Weight: 45g Feature: Fit For Any Bike, Handlebar diameter 21-23mm Extremely loud & clear sound Volume:90-100DB (International Standard) Easy to install and use the antiskid design, bicycle holder the rotatable bell hammer and button Note:if you have any problems with this product ,please contact us at the first time