Got the spike bolts from a friend, they didnt fit his bike so I installed them on mine. All I did was take off the oem bolts with a pretty small hex key, and screw in the spike bolts, took 5 minutes to carefully tighten it. If you are doing this be careful with the one closest to your front brake reservoir, dont tighten it all the way it is pretty long and might hit the reservoir, you should cut it down a little if you have the tools

Heres a picture, and no I am not going to rice out the bike I hate that lol, just like the little aggresive look this simple mod gives to the bike.

 

Hmm, never seen those, they look good.

 

SPEEDMETAL Parts & Accessories - Windscreen Spike Bolt Kit - Cycle Gear

yeah they look amazing in person!! they are super expensive, I have these exact ones, thank god they didnt fit on my friends bike lol, sure you can find a nice substitue on ebay!