UNION GH-188 CAST gear mech hanger / derailleur hanger

To fit the following models -

Original Trek part no . # 294666 or 307718

GARY FISHER
2010 Rumblefish, Hi Fi plus 29"

TREK 
FUEL EX 7, FUEL EX 8, TOP FUEL 9, TOP FUEL 9.9 SSL, LUSH SL, SLASH 7, REMEDY 8 - 2012
Top Fuel, EX 8, EX 9, EX 9.8, Remedy R8 - 2010
Other years - Top Fuel 9.8, 9.9

Please note that the measurment of the stud is 16mm long 

Please compare the picture to the hanger you have on your bike in order to find the right one