The Cervelo P5X is a high-end triathlon bike optimized for aerodynamics and storage, making it ideal for long-distance triathlons. The Specialized S-Works Tarmac SL8 is a versatile road bike that excels in climbing, sprinting, and overall agility, making it suitable for road racing and general road riding. The choice depends on the rider's specific needs and priorities.
| Attribute | Cervelo P5X | Specialized S-Works Tarmac SL8 |
|---|---|---|
| Frame Material | Carbon Fiber | FACT 12r carbon fiber |
| Groupset | SRAM Red eTap (wireless electronic) or Shimano Ultegra Di2 (electronic) | Shimano Dura-Ace Di2 or SRAM Red eTap AXS |
| Wheelset | ENVE 7.8, HED Jet Plus 6 (front) / HED Jet Plus 9 (rear), or HED Vanquish RC8 Pro / RCD Pro | Roval Rapide CLX II carbon wheels |
| Aerodynamics | Frame shape designed for optimal aerodynamics, integrated storage solutions (Smartpak, Speedcase, Stealthbox), wind tunnel testing | Redesigned head tube ('Speed Sniffer'), narrow seat tube |
| Weight | Approximately 21.96 lbs (9.96 kg) with SRAM Red eTap build and ENVE wheels | Frame: 685 grams (size 56cm), Complete bike: 6.62 kg (size 52cm, Dura-Ace Di2) to 7.16 kg (size 56cm, Ultegra Di2) |
| Brake Type | Disc brakes (TRP Hy/Rd cable-actuated hydraulic) with 160mm rotors | Flat-mount hydraulic disc brakes |
| Saddle | ISM PS1.0 | Specialized model designed for racing (upgradeable based on preference) |
| Tire Clearance | 33mm | Up to 32mm |
| Price | Original retail price ranged from $11,000 to $15,000. | Not available |
| Ratings | Not available | Not available |
| Pros | Aerodynamic design, Integrated storage solutions, Adjustability, Disc brakes, Travel-friendly features | Exceptional balance of aerodynamics, lightweight design, and stiffness, Lightweight and stiff frame enhances climbing ability and overall agility, Precise shifting and advanced features with SRAM Red AXS groupset, Aerodynamic performance, acceleration, and handling with Roval Rapide CLX II wheels, Optimized airflow at the front of the bike with 'Speed Sniffer' head tube, Confident stopping power in both wet and dry conditions with hydraulic disc brakes, Greater comfort and versatility on varied road surfaces with 32mm tire clearance, Responsive handling and stability at high speeds due to race-proven geometry |
| Cons | High price, Weight (slightly heavier than traditional triathlon bikes) | Not available |