The alloy mount is easy to install and fits 22.2-25.4 mm handlebars. 

Specifications

• Solid brass bell 
• Alloy mount 
• Bell measures 2" round
• Fits 22.2-25.4 mm handlebars
• Left-hand mounted bells allow for thumb ringing
• Right-hand mounted bells allow for index finger ringing
• Available in Shiny Brass or Satin Finish Electro Deposition Coated Black
• Lifetime PDWarranty