Offroadryan -
what causes spindle failure? According to you its caused by a poor Yamaha design. Sure, spindles will break when someone puts on wide offset wheels and spacers on a stock rhino and they bomb on their Rhino.
At the same time, spindles will also break when the suspensions pivot points are changes from the factory geometry.
The racing scene for the Rhinos is where i look to see how products are working under the HARSHEST conditions. It doesnt matter what it is, if its suspension, axles, engines, etc... if its breaking on them constantly in competition I dont think its a good product.
Let me ask you this question directly, I bet you wont have an answer worth noting... If the spindles were designed so fragile, how do you explain other long travel suspensions (Masons, LSR, Rhino Mafia) not having any spindle failures in competition?