Every 3 years or 6000 km:
•
Replace the gear system (chain, freewheel, chainring),
•
Check the power-assistance system is working correctly,
•
Replace the tyres,
•
Replace the wheels for wear (spokes, wheel rim),
•
Tighten and/or straighten the wheels,
•
Replace the brake pads,
•
Check electric functions.
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