Who made the spur you nuked? I've had great success with Kimbrough 48p spurs in my 1/10's, even with a Lehner 5300 in both my Pede and Associated T2 they don't wear out. I absolutely killed a lexan RRP spur in the T2 though, pulled off the gear cover to have all but two or three teeth fall out....it was weird that they sheared off like that. But yeah, the Kimbrough's have always worked good for me despite being a hardcore idiot basher.