For bikes that have a flat handlebar we recommend using the Paddle Remote. With great ergonomics and a durable, hydrophobic Cerakote surface finish, it's perfect for your MTB or hybrid bike.The Paddle Remote:Is USB rechargeable for up to 50 hours of ride timeComes with a 22.2mm (7/8") MatchMaker compatible clamp (the standard diameter for most flat handlebars).Has both left and right mounting options available