2. The drop-outs now extend all the way to the back of the fork leg on the bottom for grinds. This is an improvement that both Rob Wise and Larry Alvarado wanted. S&M also laser cuts a larger hole in the drop out to compensate for the added weight of new drop-out.
3. This fork has a long taper on the OD of the steer tube that makes it even stronger than before but prohibits you from running it on a frame with some old school headsets (the ones with really thick lower cups). This is no big deal as most riders that want a really light fork will have an integrated frame.
4. The insert for the headset tensioning cap now has a machined groove on the top and the bottom to reduce weight. Also, the new aluminum top caps are shorter and lighter than before. They also have a machined edge that won't scratch your stem like the first version.
Lifetime warranty to the original owner! Weighs only 36.7 ounces!