Dt Swiss 240 Disc Is 6b Boost Shimano Micro Spline Rear Hub

With DT's first freehub system designed from scratch for E-MTB use, these 240's offer the finest balance of performance and durability for long term E-MTB use Designed to balance rapid engagement with the sustained loads produced by the latest high-torque motors; the Ratchet EXP Oversized (EXP OS) system greatly increases the overall size of DT's proven EXP mechanism to offer even greater strength and long term reliability As a result they are now able offer a 30-tooth system that easily passes Hybrid certification, the fastest engaging hub yet to do so New, oversized hub shell for maximum stiffness and overall wheel durability To achieve Hybrid certification, the hub shell and axle have to prove they have over twice the fatigue life of standard components in DT's in-house torture lab CNC'd steel freehub bodies for ultimate reliability under high-torque Oversized custom bearings, and improved contact-free double flange sealing Even with all these changes the Hybrids are still 240's at