I went with the summit brand. Some people say they are generic for Richmond but who knows. As for gears wining, I have no idea, but I have heard a lot of 4:11 and 4:56 wine.

For the $500 it cost to have them checked, I will risk it. Gear are only $150.

 

in 4th gens, i know about 4 people running them,, at constant speeds... they whine