They can be the special parts present in modern day synchromesh gearboxes. By keeping the primary shaft, lay shaft, and clutch shaft at precisely the same velocity, they aid clean gear shifting. They don’t have to move more than the shaft to the gears to change. Nintendo Swap is https://gearbox97429.blogadvize.com/41248431/how-much-you-need-to-expect-you-ll-pay-for-a-good-gearbox