No I didn't, the OEM bolts are ballseat type plus the bolt are exposed on my wheels, so I needed chrome. My Stern wheels required conical seat bolts too. You will want right at 16mm of bolt going into the hub, so when you get your wheels you'll want to make sure what type of bolt you need, then add in the spacer thickness & wheel hole thickness. For example, my wheel holes were 10mm thick and I used a 10mm hub centrical spacer, then I needed 16mm to go into the hub. So I ended up using 36mm long conical bolts on the front.