When disassembling road or mountain bike wheelsets, replacing brake pads, or transporting bikes over long distances, hydraulic disc brake calipers are highly susceptible to piston extrusion caused by accidental actuation of the brake lever. This not only damages the seals but can also lead to costly brake fluid leaks and even system failure. This model was specifically designed to address this critical pain point!

 Key Features:
Precise replacement for OEM stoppers: The dimensions are rigorously matched to mainstream hydraulic disc brake calipers (such as Shimano, SRAM, Tektro, etc.), allowing direct insertion into the pad mounting slots.
Innovative anti-slip texture design: The surface is embossed with a cross-hatched groove pattern, significantly increasing friction between the stopper and the piston. This effectively prevents the stopper from accidentally slipping during transport or operation, providing double-layered safety protection.
Protects brake pads and pistons: Keeps the piston in place when no rotor is installed, preventing exposure to dust, oil contamination, or physical impacts.
Simplifies maintenance: Installation requires no additional tools, making it an essential maintenance accessory for DIY cyclists and cycling enthusiasts.
Application Scenarios:
Inserting the stopper before wheelset removal
Temporarily securing the piston during wheelset replacement
Preventing accidental brake activation during long-distance bike shipping
Standard preparatory step before bleeding and priming the hydraulic system