Bendix Launches UniSync Trailer Hub and Rotor

The fully assembled system cuts trailer weight and shields the rotor from corrosion-driving contaminants.

Updated on Nov. 3, 2026 in Trucks

Heavy machined cast-iron trailer brake rotor and hub resting on a concrete floor in a plain industrial shop with steel shelving behind it. — Bendix Commercial Vehicle Systems launched its UniSync trailer hub and rotor on Nov. 2, 2026, cutting about 60 pounds per tandem trailer. AI Illustration. Upload story photo >

Bendix Commercial Vehicle Systems introduced the UniSync trailer hub and rotor system on Nov. 2, 2026. The fully assembled unit cuts 15 pounds (6.8 kg) per wheel-end and about 60 pounds (27 kg) per tandem trailer.

Why it matters

Rotor-related service events remain a top driver of trailer downtime across the industry, and the product grew out of feedback from fleet maintenance professionals and data gathered by Bendix's field service team. The design targets both weight and maintenance reliability for U.S. fleets.

UniSync reduces weight by 15 pounds (6.8 kg) per wheel-end and about 60 pounds (27 kg) per tandem trailer. Independent field durability data for the system was not included in the announcement.

The players

Bendix Commercial Vehicle Systems

Bendix Commercial Vehicle Systems is a major North American supplier of braking and stability systems for commercial vehicles, including trucks and trailers.

The details

UniSync is a fully assembled trailer hub and rotor that places the tone ring within the rotor barrel, shielding it from contaminants that drive corrosion, and secures it with a press-fit mount. The assembly pairs the Walther Dura-Light Hub, made of austempered ductile iron, with a Bendix conventional rotor and is part of Bendix's complete trailer wheel-end offering alongside the ADB22X-LT air disc brake, with optional EnduraSure-Pro spring brake and iSense Pro wear sensing.

Nov. 2, 2026: Bendix introduces the UniSync hub and rotor system.

Roadmap

UniSync extends Bendix's ADB22X-LT air disc brake trailer wheel-end platform by bundling the hub and rotor into a single pre-assembled unit. The move reflects a broader push by commercial vehicle suppliers to reduce trailer weight and simplify maintenance on U.S. fleets.

Fleet operators who adopt UniSync could carry about 60 pounds less per tandem trailer, which can translate into added payload capacity. Maintenance crews may see fewer rotor-related service events, since the tone ring sits inside the rotor barrel away from contaminants.

The takeaway

Lighter, pre-assembled trailer wheel-ends can help fleets gain payload and reduce rotor-related downtime, two priorities for operators managing tight margins.