Overdriving the differential will increase higher speeds, but decrease low end torque while the underdrive set will do the opposite and can be used in conjunction with each other as well
The hubs are Shimanos own brand Ultegra WH-R8170 and use a pawl ratchet engagement system, with cup and cone bearings to allow for preload adjustment with a contact seal
When the sun starts to go down on a warm winter day, after its been warming up the water all afternoon, is one of the best times to throw topwater
But if you call your agent or if you need something, right now, I can direct you
Again, there is little point in having a spod rod that wont cast as far as your actual fishing rods, or cant handle the weight of a full spomb or spod, so it pays to ensure you have a decent spod rod that is up to the job