I had mine checked at 13,000 Kms and one needed doing.I checked again at 30,000 and they were still in spec.I'll probably check them again at 40,000Km.

Dinosaur.

"Oh Man I only ride 'em.I don't know what makes 'em work". Donald "Oddball" Sutherland

"Don't let the bastards get you down". Kris Kristofferson

"I am only paranoid because everyone is against me". Larry [Frank Burns] Linville