Princeton Dual 5550 EVO Disc Brake Wheelset w/Tactic TR01 Hubs

Princeton CarbonWorks built their reputation on a premise that most wheel manufacturers avoid: that a single wheelset can be genuinely fast on the road, stable in crosswinds, and wide enough to run gravel tires — if the rim profile is designed with that range in mind. The Princeton CarbonWorks Dual 5550 EVO Disc Brake Wheelset with Tactic TR01 Hubs is the fullest expression of that thinking. A variable-depth carbon wheelset with 24mm internal width, holeless tubeless construction, and 215g TR01 hubs, it covers road, gravel, and endurance riding from a single build that weighs 1,388g. The Tactic TR01 configuration is Princeton's lightest hub option, and at $4,100 it represents the price of doing everything well.

The rim profile is the defining characteristic of the Dual 5550 EVO. The "5550" describes a variable depth that transitions between 55mm and 50mm around the rim's circumference. Princeton designed the variable profile to extract aero performance from deeper sections while reducing the abrupt steering forces that a constant 55mm depth creates in crosswinds. The result is a wheel that rides more predictably on exposed roads and in variable conditions than a comparable fixed-depth aero rim. The 24mm internal width and 31.5mm external width accommodate tires from 28mm to 50mm, working best with 30-32mm setups for road use and broader tires for mixed terrain. The bead is hooked rather than hookless, which expands tire compatibility across both modern and older tire designs. The spoke bed is holeless — Princeton integrates spoke nipple seats directly into the rim structure, removing through-holes from the tire bed entirely. This eliminates the need for rim tape in tubeless setup and removes a point of potential air loss. Lacing uses Princeton's patented Radially Staggered Lacing, where spokes attach at offset positions around the rim to distribute load more evenly and increase lateral stiffness over traditional spoke patterns.

The Tactic Racing TR01 hubs are the lightest option in Princeton's Dual 5550 EVO hub lineup. Front hub weighs 64g, rear 151g — 215g total for the pair. That figure keeps the complete wheelset at 1,388g with the Tactic build, competitive for a disc-brake carbon wheelset at 50-55mm depth. The freehub uses Tactic's ConicalFace engagement mechanism, which replaces the conventional pawl-and-ratchet approach with a broad conical engagement surface and concentric cone geometry. The cone design creates a large contact area between freehub and driver, distributes engagement load across more surface area than pawl systems, and self-centers naturally under load. The result is 45-tooth engagement that is fast, crisp, and consistent. Bearings are ABEC 7 ceramic — a precision tolerance grade — coated in Tungsten Disulfide (WS₂), a dry lubricant that reduces friction at the bearing surface and improves resistance to contamination. The hubs are precision machined, hardcoat anodized, and hand assembled. Center Lock disc is standard; front axle spacing is 100mm, rear is 142mm thru-axle. Tactic specifies no rider weight limit for the TR01.

The Dual 5550 EVO ships with two padded Princeton CarbonWorks wheelbags and tubeless valves. The holeless rim bed means tubeless setup requires no tape — seat the tire, add sealant, inflate. Three freehub body options cover the major drivetrain standards: Campagnolo, HG11 for Shimano and SRAM 11-speed, and XDR Driver for SRAM AXS 12-speed. The wheelset is available in six colorways from this listing — Black, Chrome, Gloss Black, Gloss White, Gold, and White — with Princeton's full palette spanning 10 finishes. Expect a 5-8 business day ship window.

The Dual 5550 EVO with TR01 hubs is built for riders who want one premium wheelset that covers most of their riding — road racing, endurance, lighter gravel — without swapping wheels. The variable rim profile and wide internal channel handle that range without the crosswind compromise that comes with committing to a fixed aero depth, and the TR01 hubs keep rotating weight low without sacrificing engagement quality or bearing longevity.