i only have about 50 miles on mine , but like said above , thing is awsome in the trails , back shifts sweet, have not had a chance to see whats going to happen on the long pulss as far as top end i hear thats were the lack , but im a trail rider not a lake racer and as far as i can tell by my butt dyno , works well for my application , as far as the off set , i cut my spacer to 1 5/8 so it wont float anymore and set up the off set to srx specs , but im running the torque stop to ....i would set it up as a stock secondary and shim if needed ....