Originally Posted by
jdefran
This bolt was located on the inner part of the crankarm for the small ring of a triple. Is it dangerous to ride with just four bolts holding the inner ring? I figure there isn't a whole lot of torque in that gear so I would think it's fine. . .
Torque input is the same in each gear. Chain tension is the crank's output and is highest in the smallest ring. I would not use a small ring with a broken bolt.