JT Steel Sprockets are the OEM quality choice, manufactured using only the finest grade of C49 high carbon steel for the rear sprockets, and SCM420 chromoly steel alloy for the front sprockets.
Fits:

Gas Gas EC 125 2T 2007, Gas Gas EC 125 2T 2009, Gas Gas EC 125 2T 2011, Gas Gas EC 125 2T 2012, Gas Gas EC 125 Racing 2T 2013, Gas Gas EC 125 Racing 2T 2014, Gas Gas EC 125 Racing 2T 2015, GasGas EC125 2012, GasGas EC125 2013, GasGas EC125 2014, Yamaha DT200R 1989, Yamaha DT200R 1990, Yamaha DT200R 1991, Yamaha DT200R 1992, Yamaha DT200R 1993, Yamaha DT200R 1994, Yamaha DT200R 1995, Yamaha YZ125 1993, Yamaha YZ125 1994, Yamaha YZ125 1995, Yamaha YZ125 1996, Yamaha YZ125 1997, Yamaha YZ125 1998, Yamaha YZ125 1999, Yamaha YZ125 2000, Yamaha YZ125 2001, Yamaha YZ125 2002, Yamaha YZ125 2003, Yamaha YZ125 2004