The fork is new. Never used or mounted on a bike. The steerer tube has the original length (~265mm).
E-Optimized model: tougher internals (larger bushings, heat-tolerant damping, beefed-up seals) and settings for heavy, sustained loads from e-bikes.
Compatible with both 29" wheels and 27.5+" wheels.
Travel: 170mm
Steerer tapered: 1.1/8" - 1.5"