Piston Press Tool for Bike Brake Calipers - Easy to use and versatile: This piston pressing tool helps you retract caliper pistons with minimal effort. It supports connecting an oil change funnel, pouring compatible brake fluid, and removing the brake lever or handlebar oil filler, then reresetting the piston for smooth braking performance. - Advanced piston reset design: The tool is designed to push pistons back into the caliper cleanly and smoothly, making brake maintenance quicker and easier on a wide range of bikes. - Practical and time saving: Improve maintenance efficiency and save time on common brake tasks. The piston can be reset quickly and easily, benefiting both enthusiasts and repairers. - Durable performance: The bike brake caliper piston press tool is made of a kea resistant material and offers toughness and strength. Its safe to use design helps ensure reliable caliper maintenance. - Function and compatibility highlights: - Purpose: retract and reset brake caliper pistons during maintenance, pad replacement, and bleeding operations - Supports connection with an oil change funnel and pouring of compatible brake fluid - Removes the brake lever or handlebar oil filler as part of the workflow - Built for durability and consistent performance in regular brake service - Use scenarios 1) Road or mountain bike brake service: retract pistons to replace pads, then reset for proper alignment and braking feel. 2) Brake fluid topping or bleeding: connect the funnel, add compatible brake fluid, and use the tool to reset pistons as part of the bleeding/ topping procedure. 3) Routine caliper maintenance: during seasonal service or after long rides, use the tool to ensure pistons retract smoothly for inspection and cleaning. - Size and material notes: no size specifications provided; tool is described as made from a kea resistant material to deliver durable performance and reliable caliper maintenance.