GT Aggressor Avalanche Backwoods Chicker #4 derailleur mech hanger dropout

Chicker 3.0 – 2010. Aggressor – 2002, 2005-2007. Backwoods – 2000-2005. Get a couple spare so you’re not caught short on a ride! Avalanche (Except Expert) – 2006. Avalanche 1.0-2.0 – 2001-2005. Why do they break?.

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