I've used the shimano SP-41 grease, which is also a silicone product. Haven't had any issues over the lifespan of my cables, shifting is always nice and crisp.
Originally Posted by
Clipped_in
Dialectric (silicone) grease is what you want. It won't degrade the various synthetic components in the cable housing like petroleum-based grease will. I've also heard this works well but I'm guessing it is a silcone grease:
