Product DescriptionThe Park Tool 791 Reamer/Pilot Set is a professional bottom bracket shell machining accessory designed for servicing PF30 frame shells. Used with the Park Tool HTR-1 Head Tube Reaming and Facing Set, 750.2 Centering Cone Adapter, and 690-XL Facer, it allows accurate reaming and facing of PF30 bottom bracket shells to the proper inside diameter. The set also includes a pilot that allows a facing-only option for PF30 shell preparation, making it a useful tool for professional frame prep and repair work. Key Features Professional reamer and pilot set for PF30 bottom bracket shells Used to ream and face PF30 shells to proper size Includes pilot for facing-only option Precision hardened cutting steel construction Designed for professional frame prep and repair Use cutting fluid during machining for best results Specifications Brand: Park Tool Model: 791 Product Type: Reamer / pilot set Intended Use: PF30 bottom bracket shell reaming and facing Reamer Diameter: 45.94mm outer diameter Target Shell I.D.: 45.92 - 45.93mm Included: Reamer and pilot Required Tool: Park Tool HTR-1 Required Adapter: Park Tool 750.2 Centering Cone Adapter Required Facer: Park Tool 690-XL Facer Material: Precision hardened cutting steel Compatibility Compatible with PF30 bottom bracket shells Requires Park Tool HTR-1 Head Tube Reaming and Facing Set Requires Park Tool 750.2 Centering Cone Adapter Requires Park Tool 690-XL Facer Condition New Genuine OEM product Includes only what is shown or described