This motorcycle clutch lever and brake master cylinder pump features a 1 inch (25mm) bore size and is designed for use with 25mm handlebars.Constructed from aluminum with a black finish, it offers and a clean aesthetic.Compatible models include Steed 400, Steed 600, VT250, VT400, VT600, VT750, and VT1100.The unit includes a rearview mirror base and comes as a left and right pair with necessary components for installation.Bore/piston size is 14mm, and the banjo bolt thread diameter is 10mm.Designed for hydraulic function under normal operating conditions.