Hello, here's a mod I did on the mower ,I bought it Friday went with the Kaw motor , 
anyway, my other mower had arm rest which for me is a must have , at the dealer I didn't
even notice no arm rest on the mower , well after getting it home and started to mow it hit me 
no Arm Rest . went on line to see what Bad Boy offered for the Avenger I didn't see anything on their 
website , didn't call the dealer to see what they had , I went on Ebay to look and see what they had 
they had some but on there but didn't like the price way over a hundred bucks and didn't say if it 
would even fit the Avenger , so I made my own used a set of arm rest from a old office chair 
all i had to do was use 5/16 carriage bolts 3 inch , made a 1 inch spacer out of aluminum bar stock 
trimmed the arms on the length that fit my elbows / forearm good mounted them to the seat , on padding
i used the foam you use on water pipe you can get it at Lowes etc.. , then for a cover used a pair of my old 
socks for the arm rest . this mod worked out good for me , now if you want to try this  get you a old office chair 
but have no means for a spacer you can use anything like a broom handle , drill a 5/16 hole or a 1/2 pipe nipple 
cut 2 # 1-inch pcs ..  Hope this helps anyone that needs a arm rest that is a cheap mod .