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33.4 Wear and maintenance
If maintained and cared for regularly, the components of the hub shifting system generally
show little sign of wear.
• Check the hub shifting system at regular intervals
˃ Chap. 33.3 "Checking the hub shifting system" on page
• Contact your specialist dealer to have the hub shifting system serviced if:
- unusual noises can be heard when shifting gears,
- problems occur when shifting gears.
33.5 Cleaning and care
• Keep all the components of the hub shifting system free of dirt and clean the compo-
nents regularly to ensure the hub shifting system continues to function correctly.
- Clean the operating elements with a damp cloth.
- Remove coarse soiling from the chain ring and sprocket with a damp cloth or a soft
brush.
- After cleaning, lubricate the chains, chain ring and sprocket with multi-purpose oil.
Afterwards, wipe up any excess oil with a clean cloth.
34 Electronic gear shift system
The electronic gear shift system has separate controls. The buttons for shifting gears can be
pressed in quick succession. The gear shift system detects how many times the buttons are
pressed and shifts to the relevant gear.
INFORMATION
Read and observe the instructions enclosed with the electronic gear shift system and
contact your specialist dealer if you have any questions.
GEAR SHIFT SYSTEM
50.
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