Industry Nine, Hydra 2 SuperBoost XD, Disc Hub, Rear, 32H, 12mm TA, 157mm, SRAM XD, Black

• Redesigned for durability under the most extreme use, with even faster engagement and less drag • Thicker axles, larger beargins, larger pawls with an additional tooth, and a tougher drivering guarantee the Hydra 2 can easily handle the torque of powerful ebike motors • 0.41 degree engagement • Designed and build in Asheville, NC