58
9�7 Bottom bracket
Bottom brackets can wear out after a certain time.
Have damaged bottom brackets repaired or replaced by a
specialist if necessary.
9�8 Spokes and wheels
Spokes connect the hubs to the rims. They must be suciently tensioned and inuence the
concentricity of the wheel. Check the spokes regularly for damage and suciently high spoke
tension or have them checked by a specialist.
Have damaged spokes repaired or replaced by a specialist if necessary.
If a wheel exhibits excessive lateral or radial runout, have it repaired
or centred by a specialist.