How to bleed hydraulic disc brakes on a bike?
Brake bleeding is required every 6 to 12 months or as soon as the brake feels spongy.
🛠Required equipment:
- Bleed kit suitable for your brand (Shimano, SRAM, etc.)
- DOT or mineral fluid depending on the manufacturer
- Syringe, Allen key, collection container
Steps:
- Mount the bike on a stand
- Attach the syringe to the lever or caliper depending on the system
- Gently inject the clean fluid
- Bleed air bubbles
- Close and clean thoroughly








