Had one on my F4. Maybe a little better than a full aluminum one but I stripped the steel teeth off of it after a little while. I did alot of wheelies but it still shouldnt have worn that fast. I probably wouldnt spend more for one but if it were relatively the same price they are fine.
'99 CBR 600 F4 Silver, Carbon Fiber Grips, Levers, Mirrors, Stainless Steel Muzzy Slip-on, 520 Stealth sprocket set 15/47, Factory Pro Stage 1 TI jet kit, Reverse Indiglo Guages, Goodridge SS Brake lines, Custom Carbon Fiber Seat, rear turnsignal eliminator, rear brake LED Bulbs, F4i Rear Shock
'87 Yamaha XV1100 Virago Black/Red Fireball, Mac slash-cut pipes, custum air filter, clear turn len's, Lots of Chrome