Features 1、1. Precise time keeping, glow in dark, it can help you to see the time clearly even at night. 2、2. Come with an anti-skip rubber mat and split ring mount for easy installation on straight section of handlebar. 3、3. Mounts on straight section of handlebars with a stainless steel screw. 4、4. Made of aluminum alloy material with electroplating surface, corrosion resistant and glossy. 5、5. The clock dial is waterproof and shock resistant, very durable in using. Specification Features: 1. Precise time keeping, glow in dark, it can help you to see the time clearly even at night. 2. Come with an anti-skip rubber mat and split ring mount for easy installation on straight section of handlebar. 3. Mounts on straight section of handlebars with a stainless steel screw. 4. Made of aluminum alloy material with electroplating surface, corrosion resistant and glossy. 5. The clock dial is waterproof and shock resistant, very durable in using. Specifications: Material: Aluminum Alloy + Electroplating Surface Clock Size(Dia. x H): 4.2 x 2cm / 1.65'' x 0.79'' Fitment: For 7/8" 1" Handlebar(22mm, 25mm) Package List: 1 x Clock(Built in battery) 1 x Anti-skip Rubber Mat 1 x Allen Wrench Note: 1. Please allow 0~1 inch error due to manual measurement. Thanks for your understanding. 2. Please check and confirm the size before purchasing. Thanks! Package List