Shana Jam Plates For Jam Skating & Street SkatingShana Jam Plates: crafted in house by GH Skates using alloy aluminum with titanium truck axles and pins. The Shana plates feature a 21 degrees Kingpins which make it a bit lower to the ground than other GH plates, (vanguard and Jaboco are 16 degrees so they are higher). The wheels are mounted slightly to be back of the foot toe stop stand (that bit in the front where we insert the toe stops) is slightly shorter as well, in combination, it creates more