09/05/2026
If the bike is still stopping doesn’t mean the brakes are healthy.
Clean fluid in. Dirty contaminated fluid out.
That dark brown fluid is degraded oil carrying moisture, heat contamination and wear particles through the system. Lever feel becomes vague, bite point inconsistent and performance drops gradually enough that most riders don’t notice it happening.
Fresh fluid means:
• Consistent bite point
• Better modulation
• Improved heat management
• Longer component life
If you ride regularly through winter, wet conditions or long descents, yearly brake bleeds are preventative maintenance — not optional extras.
The difference is obvious at the lever.
📍Port Velo Cycle Works – Portbury, Bristol
Professional brake bleeding, servicing and diagnostics.