HED Jet RCD Performance Rim Brake Disc Wheel

$1,300⁰⁰

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Color

Black

Compatibility

Campagnolo Shimano XDR Driver

The HED Jet RCD Performance Rim Brake Disc Wheel typically ships in 5-8 business days

HED | SKU: JD-4114121 | Option: Black, Shimano

This product is HSA / FSA eligible

Pickup available at RA Cycles - Brooklyn

Usually ready in 24 hours

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HED Jet RCD Performance Rim Brake Disc Wheel Info

The HED Jet RCD Performance Rim Brake Disc Wheel is a solid rear disc wheel built for triathlon and time trial racing, sold as a single rear wheel rather than a full set — a front wheel is purchased separately to complete the setup. It sits in HED's Aero Disc lineup as the classic, durable rim brake option, positioned below the Jet RCD Black's premium brake surface and priced for riders who want a genuine race-day or dedicated training disc without the cost of HED's top-tier Vanquish Pro.

A rear disc wheel works by replacing the open spoke pattern of a standard wheel with a solid cover, which keeps airflow clean behind the bike instead of letting spinning spokes create turbulence. That change matters most at sustained race speeds on flat or rolling courses, which is why disc wheels are a triathlon and time trial staple rather than an everyday road wheel. The solid construction also adds stiffness compared to a spoked wheel, translating into more direct power transfer when riders push hard efforts or accelerate out of a turn.

This wheel uses a hybrid build: the disc sides are carbon fiber for low weight and stiffness, while the braking track itself is machined aluminum, chosen for durability and consistent braking rather than the premium textured surface HED reserves for its Black-tier disc. The rim measures 21mm internal and 25mm external width on a 700c wheel, and it's tubeless compatible with tubeless tape already applied at the factory. HED validates its aero disc rim profiles in the wind tunnel with tires mounted and inflated to real-world pressures, since a rim's aerodynamic behavior changes once a tire is seated.

The hub is HED's Pro 5-pawl unit running 6902 2RS radial bearings, and the wheel is hand-assembled at HED's Roseville, Minnesota facility, where the company has built wheels since 1984. Complete, the wheel weighs approximately 1,280 grams. Freehub bodies are available for Shimano HG, SRAM XDR, and Campagnolo N3W, covering the major drivetrain standards riders are likely to pair it with. HED backs the wheel with a 5-year warranty.

This is a wheel for triathletes and time trial riders on rim brake bikes who want a disc wheel for race day or as a dedicated training wheel, rather than a wheel built for everyday road riding. HED recommends pairing a rear disc with a shallower front wheel, since the solid disc surface can catch more crosswind than a spoked wheel on gusty courses — a tradeoff worth planning around rather than a flaw in this wheel specifically.

The RA Perspective

The Jet RCD Performance is the wheel we point triathletes and time trial riders toward when they want a genuine race-day disc without paying for HED's premium brake surface or stepping up to a disc-brake platform. As a rim brake wheel, it's built for riders on existing TT or triathlon bikes rather than a new bike purchase.

The aluminum braking track is the practical choice here — it won't match the stopping feel of HED's textured Black surface, but it's durable and consistent, which matters if this wheel is doing double duty as a training wheel between races rather than sitting in a bag until race day.

The real thing to plan around with any rear disc is crosswind. On a gusty course, the solid rear surface catches more wind than a spoked wheel, so we'd recommend pairing this with a shallower front wheel rather than another deep-section wheel up front, especially for less experienced riders.

We'd recommend this wheel to triathletes and time trialists on rim brake bikes who want a durable, race-ready disc wheel that can also handle regular training use, rather than a wheel reserved only for perfect race-day conditions.