Prices 

Derailleur adjustment $20.00-$30.00
Derailleur replacement $20.00
Replace cassette $15.00
Replace chain $12.00-$20.00
Rebuild Campi Ergo lever (Each) $65.00
Align derailleur hanger $20.00
Install STI/Ergo levers (road or mountain) $75.00
Install MTB shifters $40.00
Drive-train upgrade $125.00-$150.00 - Installation of shifters, derailluer, crank, bb, chain and cassette

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*(labor charges listed, parts extra)