Product: Bicycle Brake Piston Press Tool Key benefits — why you need it - Restores braking performance quickly: pushes pistons back into the caliper so new or serviced brake pads seat correctly and brakes operate as intended. - Simplifies fluid changes and pad replacement: works with an oil change funnel and brake lever/handlebar reservoir for controlled piston reset during bleeding or fluid top-up. - Saves time and effort: designed for both home mechanics and professional repairers to speed routine brake maintenance. What it does and how it solves problems - Precision piston reset: the tool provides a smooth, controlled push to retract brake caliper pistons without tilting or damaging them, reducing the risk of piston binding or seal damage. - Integrates with bleeding process: connect your oil change funnel, add a small amount of compatible brake fluid, remove the oil fill screw from the brake lever or handlebar, then use the tool to reset the piston while managing fluid flow. - Improves serviceability: makes pad replacement, caliper cleaning, and piston inspection easier by creating the clearance needed to fit new pads or remove old ones. Features and attributes - Function: precision piston pressing for caliper retraction during pad changes, bleeding, cleaning, and general maintenance. - Compatibility: designed to work with bicycle brake calipers that require piston retraction and with brake systems where the oil fill screw is located on the brake lever or handlebar; use with compatible brake fluids only. - Size and form factor: compact, handheld tool for easy use in tight spaces and convenient storage in a toolbox or saddlebag. - Material and durability: constructed from wear-resistant material for high toughness and long service life under repeated use. - Performance and safety: reliable mechanical action and safe handling reduce the risk of accidental damage to pistons and seals during maintenance. Practical applications and use scenarios - Routine pad replacement: retract pistons smoothly to provide the clearance needed to install new brake pads on hydraulic calipers without forcing the pistons. - Brake bleeding and fluid top-up: integrate the tool with an oil change funnel and open fill screw to manage piston position while replacing or topping up brake fluid for cleaner, faster bleeding. - Caliper cleaning and inspection: push pistons back to improve access for cleaning, inspecting seals, and removing debris or contaminants from the caliper and pads. Who benefits - Home bike owners performing DIY maintenance. - Workshop technicians and mobile mechanics who need a compact, repeatable tool for hydraulic brake service. - Anyone replacing pads, bleeding brakes, or cleaning calipers on hydraulic-equipped bicycles. Usage notes - Use only compatible brake fluids as specified by your brake manufacturer. - Remove the oil fill screw on the brake lever or handlebar as required, connect your oil change funnel, then operate the piston press tool to retract the piston gradually and evenly. - Inspect pistons and seals for damage before and after use to ensure safe brake operation. This piston press tool offers a durable, precise, and practical solution for maintaining hydraulic bicycle brakes, improving service efficiency while protecting pistons and seals during routine maintenance.