I have a 2014 Joyner Renegade R2 1100cc. I've seen many posts about these bolts sheering off. I don't run my R2 very hard. I live in the desert southwest; not much mud around here. I'm just wondering if I've got a potential of having the same problem or do these bolts only sheer off when running hard through deep mud and such. Did Joyner realize this problem and include 12.9 bolts in later versions, like my model year? Seems like this problem appears in the earlier model years.