Not sure which chain to run with an XT M737 groupset.
Prefer Shimano chains, so do I use HG or IG?
What's the difference between the two?
If you can't be a good example, be a horrible warning!
Current rides:1994 Orange P7 (project), 1995 Clockwork (the f-in-law's), 1996 Orange C16R (the wife's), 2007 Ltd Edition Clockwork, 2011 Orange 5 Pro, 2014 Planet X Carbon road bike
Previous rides:1993 Orange Clockwork XC Pro, 1993 Orange Clockwork XC expert, 1994 Kona Kilauea, 1995 Kona Cindercone, 1995 Orange E3, 1996 Orange P7 XT, 1997 Saracen Maxtrax, 2009 Orange Evo 8