Ensure your ebike&';s braking system is in peak condition with the Aventon Hydraulic Brake Caliper Hardware Pack. Specifically designed for Tektro brakes, this essential kit includes everything you need to maintain or upgrade your brake system. Key Features: Essential for Maintenance: A new barb and olive are required any time the hydraulic hose is cut or detached from the lever, ensuring optimal performance. Reuse Existing Components: The original compression nut and grommet can be reused, making this kit a cost-effective solution. Brake System Maintenance: Remember to bleed the brake lever any time the hose is removed or shortened to maintain smooth and responsive braking.