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Brakes, Drivetrain, and Adjustments
Brake and drivetrain maintenance for the Ariel Rider X‑Class 60V.
Brake squeal. — X‑Class 60V
Brake squeal: clean rotors with 90% isopropyl, then bed pads with ~10 smooth stops from ~15 mph. Replace contaminated pads if noise remains.
Spongy lever. — X‑Class 60V
Spongy lever: inspect for leaks, top up fluid, then bleed with mineral oil; pump the lever to settle micro‑bubbles and restore a firm feel.
Brake rub. — X‑Class 60V
Brake rub fix: loosen caliper bolts, squeeze the lever to center, then tighten evenly and spin the wheel to confirm clearance.
When to replace pads. — X‑Class 60V
Replace pads when friction material is <1 mm, you hear a metallic scrape, or stops get longer; re‑bed pads after installation.