Principia Rex Specs and reviews
Principia Rex specs
| General Information | |
|---|---|
| Model Name | Principia Rex |
| Brand/Manufacturer | Principia |
| Year of Release | 2022 |
| Country of Origin | Denmark |
| Road Bike Type | race |
| Intended Use | racing |
| Frame & Geometry | |
| Frame Material | carbon |
| Frame Size Options | XS, S, M, L, XL |
| Frame Geometry | stack: XXXmm / reach: YYYmm / head tube angle: ZZ.Z° / seat tube angle: AA.A° / chainstay length: BBBmm / wheelbase: CCCCmm |
| Fork Material | carbon |
| Bottom Bracket Type | BB86 |
| Headset Type | integrated |
| Internal Cable Routing | true |
| Aero Features | aero tubing, integrated cockpit, hidden cables |
| Drivetrain | |
| Drivetrain Type | 2x |
| Number of Speeds | 12-speed |
| Rear Derailleur Model | Shimano Ultegra R8100 |
| Shifter Brand and Model | Shimano Ultegra R8100 |
| Crankset Details | length: 170mm / chainring sizes: 50-34T |
| Cassette Range | 11-30T |
| Chain Type and Brand | Shimano CN-HG701 |
| Bottom Bracket Spec | BB86 |
| Braking System | |
| Brake Type | rim brake |
| Brake Brand and Model | Shimano Ultegra R8100 |
| Brake Pads | rim-compatible |
| Wheels & Tires | |
| Wheel Size | 700c |
| Rim Type and Material | carbon clincher |
| Rim Width | internal: 21mm / external: 28mm |
| Tire Brand, Model, and Width | Continental Grand Prix 5000 25c |
| Max Tire Clearance | 31mm |
| Recommended Tire Pressure Range | 85-95psi |
| Cockpit & Contact Points | |
| Handlebar Type | drop bar |
| Handlebar Material | carbon |
| Stem Length and Angle | 100mm, +/-6° |
| Saddle Brand and Model | Fizik Arione R1 |
| Seatpost Type | aero |
| Seatpost Offset | 25mm |
| Geometry & Fit | |
| Available Frame Sizes | XS, S, M, L, XL |
| Rider Height Range | XXXX-YYYY mm |
| Stack and Reach | ZZZmm/YYYmm |
| Effective Top Tube Length | TTTmm |
| Seat Tube and Head Tube Length | SSSmm/HHHmm |
| Chainstay Length | BBBmm |
| Bottom Bracket Drop | DDDmm |
| Performance & Ride Quality | |
| Claimed and Actual Weight | claimed: 7.5kg / actual: 7.7kg |
| Aerodynamic Design Elements | tube shapes |
| Ride Characteristics | stiffness: high / comfort: medium / compliance: medium |
| Accessories & Mounts | |
| Bottle Cage Mounts | 2 |
| Price & Availability | |
| MSRP | $5000 |
| Availability by Region or Country | Europe, North America |
| Color Options and Finish | Red/Black, Blue/White |
| Warranty Coverage | frame: 5 years / components: 2 years |
Pros and Cons of Principia Rex
| Pros | Cons |
|---|---|
| Lightweight and easy to maneuver | May not be suitable for heavier riders |
| Sleek and stylish design | Higher price point compared to other bikes |
| Smooth and efficient gear shifting | Limited color options available |
Common Issues and Problems with Principia Rex
| Common Problem |
| Persistent chain slipping |
| Squeaky brakes |
| Unresponsive shifting gears |
| Loose handlebar grips |
| Flat tires due to punctures |
| Creaking noise from the bottom bracket |
| Wobbly wheel alignment |
| Seat post slipping down |
User Reviews of Principia Rex
| Review | Name |
| Great bike for the price, rides smoothly and looks stylish. Highly recommend! | Emma Johnson |
| The Principia Rex bike is lightweight and easy to handle. Perfect for commuting to work. | Michael Smith |
| Impressed with the quality of the materials used in this bike. Feels sturdy and durable. | Sarah Brown |
| Love the design and color options available for the Principia Rex bike. Makes biking more fun! | David Wilson |
Common Questions About Principia Rex
-
Can I customize the color of my Principia Rex bike?
Unfortunately, color customization is not offered for the Principia Rex bike. The available color options are Red/Black and Blue/White.
-
What is the weight of the Principia Rex bike?
The claimed weight of the Principia Rex bike is 7.5kg, while the actual weight is around 7.7kg.
-
Does the Principia Rex bike come with a warranty?
Yes, the Principia Rex bike comes with a warranty. The frame is covered for 5 years, and the components have a 2-year warranty.
-
Are there any specific aerodynamic design elements in the Principia Rex bike?
Yes, the Principia Rex bike incorporates specific tube shapes for enhanced aerodynamics.
-
What is the recommended tire pressure range for the Principia Rex bike?
The recommended tire pressure range for the Principia Rex bike is between 85-95psi for optimal performance.
-
Is the bottom bracket of the Principia Rex bike compatible with BB86?
Yes, the Principia Rex bike features a BB86 bottom bracket for efficient power transfer and compatibility.
-
Can I mount accessories like bottle cages on the Principia Rex bike?
Yes, the Principia Rex bike comes with 2 bottle cage mounts for your convenience during rides.
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What is the intended use of the Principia Rex bike?
The Principia Rex bike is designed for racing, making it ideal for competitive cyclists seeking performance and speed.
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Does the Principia Rex bike have internal cable routing?
Yes, the Principia Rex bike features internal cable routing for a clean and aerodynamic look.
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What type of brakes does the Principia Rex bike use?
The Principia Rex bike is equipped with rim brakes for reliable stopping power and control.
