Princeton Blur 633 V3 Disc Brake Rear Wheel

The Princeton Blur 633 V3 Disc Brake Rear Wheel is a wheel built around one principle: getting you across the finish line faster. Not lighter. Not more versatile. Faster. Princeton CarbonWorks designed the Blur V3 for the rider who has already made peace with that trade-off — the time trialist counting seconds, the triathlete who has mapped every watt from swim exit to finish chute, the criterium specialist who knows exactly what a disc rear wheel does to their speed on long straights.

The "633" tells you everything about the design intent. This is a full disc rear wheel — sealed carbon from hub flange to tire bed, with no spokes interrupting the airflow that would otherwise swirl and drag around a conventional rim. Princeton builds the Blur V3 from a full monocoque carbon construction, meaning there are no bonded joints and no layered assemblies introducing potential flex points. What you get is a rim that is structurally coherent from every angle, stiff under hard pedaling, and aerodynamically consistent whether the road is arrow-straight or slightly crosswinded. At a claimed 970 grams, it is light for a disc rear wheel — though that figure is a secondary consideration when the aerodynamic case is this strong.

One detail separates the Blur V3 from most tubeless wheels in this category: Princeton machines a holeless tire bed directly into the rim. No spoke holes means no tubeless tape — not as a shortcut, but as a deliberate engineering decision. Tape adds weight, can lift or fail mid-ride, and introduces a variable into tubeless setup that Princeton simply eliminates. Pair that with Tactic Racing hub internals — designed for immediate engagement and low rolling resistance — and the Blur V3 is a disc rear wheel that has been thought through at every layer, not just shaped for the wind tunnel.

Princeton Blur 633 V3 Disc Specs at a Glance

• Rim Type: Full disc rear wheel
• Rim Depth: 633mm (full disc profile)
• Construction: Full monocoque carbon
• Tire Compatibility: Tubeless — holeless tire bed, no tape required
• Claimed Weight: 970 grams
• Hub: Tactic Racing internals
• Brake Type: Disc brake
• Driver Options: Campagnolo, HG11 (Shimano / SRAM 11s), XDR Driver
• Finish Options: Chrome, Gloss Black, Gloss White, Gold
• Spoke Count: Full disc — no external spokes

Design Benefits

1. Monocoque Carbon Shell: A single-piece carbon structure means there are no bonded sections or transition points where flex can creep in under load. The result is a rear wheel that transfers power cleanly and holds its aerodynamic shape under the kind of sustained wattage that time trials and hard criterium efforts demand.
2. Holeless Tubeless Tire Bed: By machining the tire bed without spoke holes, Princeton eliminates the need for tubeless tape entirely. This simplifies setup, removes a potential failure point, and keeps the rim surface consistent — which matters for tubeless seal integrity over long rides and in changing temperatures.
3. Full Disc Aerodynamics: The 633mm full disc profile is designed to minimize turbulent airflow behind the rear wheel — the drag source that a spoked wheel, regardless of depth, cannot fully address. On flat to rolling terrain where disc wheels perform best, this translates directly into speed held for less effort, or the same effort going faster.
4. Tactic Racing Hub Engagement: Immediate hub engagement is relevant any time you accelerate out of a corner or surge in a sprint. Princeton's Tactic Racing internals are designed for fast, reliable power pickup and low rolling resistance, so the wheel responds when you ask it to — without the momentary slack that lower-engagement hubs can introduce.
5. Multi-Driver Compatibility: Available with Campagnolo, HG11, and XDR Driver configurations, the Blur V3 fits into most modern drivetrain setups without compromise. Combined with four finish options, this is a performance-first wheel that doesn't require you to work around it.

Final Take

The Princeton Blur 633 V3 is a rear wheel for riders who have identified speed as the objective and are ready to build around that. It suits time trialists, triathletes, and aerodynamically focused road racers who ride courses where a disc rear wheel makes a measurable difference. If that describes your riding, the Blur V3 is a serious, well-engineered option from a manufacturer that treats the details — tape, joints, engagement — as seriously as the headline numbers.