ok.. go find the chrome stock dogbones.. i assume you speak of the ones going to the wheels, not tranny like CR has stated, the chrome colored ones last and last, the stock ones here in the USA can be sent to HPi for free replacements if you word a letter nicely, it is a manafacturing defect so check with your warentee people.. hope this helps ya out...
also i broke.. 1 dogbone to the left front wheel at 6 tanks, the right front at 12 tanks, was bent since tank6, and bent the right front in 1 tank after that. my rear driveshaft has a 1/8" tweek to it..
mine have both bent at the drive cup to the tranny, at the lip where it goes fron thick to thin, making the weak point that breaks..
the 3 chrome ones i have in the truck, 2 been on it since tank 6 are still like new.. when i bend/break #4 i will send them all to hpi in april, for free replacements, they supposed to be changing th emanifacturin gdesign to help prevent the weak link. at least in gossip I've heard..