Fulcrum | Speed 40 CMPTZN DB

The Fulcrum Speed 40 CMPTZN DB is a premium carbon wheelset engineered for disc brakes, delivering the perfect balance between aerodynamic efficiency, lightweight climbing ability, and exceptional responsiveness. With its advanced CULT ceramic bearings and refined carbon construction, it’s built to meet the demands of competitive riders who want maximum performance across varied terrain.

This wheelset is available in two freehub spline options to fit different drivetrain systems:

• HG11 (Shimano/SRAM 11-speed)
Fits Shimano and SRAM 11-speed drivetrains

• XDr (SRAM XDr 12-speed)
Designed for modern SRAM 12-speed drivetrains

Key Features

• 40mm Carbon Rim Profile
Strikes the balance between aerodynamic speed and climbing efficiency

• CULT Ceramic Bearings
Ultra-smooth rolling efficiency with minimal friction for top-level performance

• 2-Way Fit (Tubeless & Clincher)
Compatible with both tubeless and traditional clincher setups

• Disc Brake Specific Design
Optimized for powerful and consistent stopping performance in all conditions

• Wide Internal Rim Width
Provides better tire support and improved handling stability