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ENVE SES 4.5 R45 Chris King Carbon Clincher Wheelset (Shimano/SRAM 11sp)

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ENVE SES 4.5 R45 Chris King Carbon Clincher Wheelset (Shimano/SRAM 11sp)

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Producing the ultimate in aerodynamic advantage, Smart Aero Technology has teamed up with ENVE to bring you the pinnacle of wheel design. With a history in Formula One racing, Smart have extensive knowledge and understanding of aerodynamic principles, theory and most importantly application. Based on the doorstep of Mercedes GP Petronas Formula One HQ in Brackley, UK the world of speed and all its facilities is at Smart’s fingertips.

However there is more to Smart than just a design element. The group’s biomechanical history has led to the natural progression into high-performance cycling. The necessary skill, knowledge and passion for high performance cycling componentry have found its perfect partner in ENVE.

There is no shortcut to perfection. It must be tried and tested, over and over, before the ultimate is achieved. That’s why the 4.5s were created from the beginning with in-frame development and then blended with proven aerodynamics. This resulted in optimised stability, lightweight, stiffness and durability, a truly revolutionary wheel design.

SMART System
The Smart ENVE System optimizes the interface between the frame surfaces and the wheels, creating an integrated system. The front and rear wheels interact differently with the air and the rest of the bicycle. Rim shapes are optimized to allow airflow to stay attached at higher yaw angles, thus reducing drag and improving ride performance.
• The front wheel is wider and shallower to improve stability and reduce drag in any wind condition.
• The rear wheel is deeper to reduce drag where stability is less affected.
• Wheels were tested on multiple frame designs in order to produce the maximum drag reduction. The result is a wheel system, which handles predictably, and displays superior drag results when installed in multiple bicycle frame designs.

Steering feedback in variable conditions needs to be predictable to have total handling confidence. Less predictable wheels have a non-linear steering response, resulting in erratic and unpredictable handling in unsteady conditions. The shape of the Smart ENVE System rim is optimized to ensure even and predictable airflow attachment. What the rider experiences is a balanced build up of side force as the angle of crosswind changes. This allows the rider to accurately predict the handling mannerisms of the wheel and avoid dangerous over correction cycles.
• The focus on steering stability resulted in improved handling and confidence in varying crosswinds.
• Therefore, the wheel shape was optimized to produce a predictable and linear response.
• The target stability gradient was 1.0.

Strong, stiff, light – the ENVE process
ENVE is renowned for developing the strongest, stiffest and lightest rims on the market. This durability is proven across all disciplines of the sport including being the first and only carbon wheel to podium at World Cup DH events. All ENVE products, including the Smart ENVE System, share this advanced manufacturing technology. These technologies involve
• Highest strength to weight ratio in the industry.
• Proprietary molded in spoke hole technology.
• Textured braking surface allowing for a more positive engagement and better braking in wet conditions.
• Material: Carbon Fibre
• Tyre type: Clincher
• Rim Depth: 48 / 56mm
• Internal Rim Width: 18.5mm / 17mm
• External Rim Width: 27mm / 25.5mm
• ERD: 563 / 545
• Built Weight: 1511g
• Rim Weight: 469 / 489g
• Spokes: DT Swiss Aerolite
• Spoke Count: 20/24
• Recommended Tyre Size: 23mm - 25mm
• Shimano/SRAM 11sp compatible freehub
• Highest Quality Chris King Road Hubs for the smoothest rolling wheel available

• ENVE skewers
• ENVE carbon specific brake pads
• ENVE valve extenders
• ENVE rim tape

SKU# EN1003102072
Package ID: International_Oversize