The Shimano M4000 Alivio Shadow design rear derailleur was drafted up and pieced together to take on more unforgiving riding conditions. Through its low profile and single tension construction, the Shimano M4000 Alivio 9-Speed rear derailleur keeps chain slap at bay even in the most ruthless riding conditions. The result is a reliable rear derailleur that fights rough and rowdy with smoothness and silence; a valuable choice for the recreational and avid mountain cyclist alike.
CALIFORNIA PROPOSITION 65 WARNING: This product can expose you to chemicals including (Cadmium, Phthalates, Bisphenol, Nickel (Metallic), di(2-ethylhexyl)phthalate "DEHP"), which is known to the State of California to cause cancer and/or cause birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.
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Get free 1-day California shipping with your $60 purchase today, on most orders. Please note this offer is only available to physical shipping addresses in California(no PO Boxes), and oversize charges still apply on some heavy/large itemsDue to manufacturer restrictions, this product cannot be shipped to the following locations: