R 45 100x12mm Front Wheel

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      Overview

      Aero for All

      Bring HollowGram performance and serious value to any road bike. Rise to Speed, for less, with our ready-for-anything R-45 wheelset.

      Highlights

      • Developed with D.R.A.F.T. our 45mm deep, 21mm internal/32mm external width rims are aerodynamic and lightweight
      • Grand Forza double-butted spokes keep it light while staying strong and reliable
      • Ready for tubeless setup right out-of-the-box
      • At 1740g a pair the R 45 is performance-packed and ready for any road ride
      • 100x12 thru-axle compatible

      Aero for All

      Aerodynamic Overachiever
      The R-45 rim profile packs the same DRAFT-optimized aerodynamic advantage of all other HollowGram road wheels. Its precision-crafted shape means higher speeds with less effort, making you faster everywhere.
      Upgrade It All

      You’ll find advantages in every area of performance with the R-45 wheels: high-speed stability, sharp handling, low weight, and tough construction are all upgrades to any bike and any ride.

      Keeping Up

      High-performance tire technology has evolved, and HollowGram is here for it. Tubeless compatibility, 21mm internal widths, and hooked sidewalls are part of every package. It’s all optimized around modern road tires, for that ideal blend of ride quality, aerodynamic efficiency, and low weight.

      The D.R.A.F.T. Approach

      It’s one thing to cut through the wind. It’s another thing to master it. D.R.A.F.T. stands for Drag-Reducing Aerodynamic Flow Technology, an approach pioneered over the course of thousands of testing hours by our in-house aerodynamicists and applied to all HollowGram road wheels. We leverage data and testing focused on real-world riding conditions – like headwinds, crosswinds, and variable winds that shift as you ride – not just those that are simulated in a wind tunnel. The result is rim properties that work with the wind, not against it, and wheels that help you go faster, not just look faster. D.R.A.F.T. creates wheels that help you Rise to Speed, no matter the day.

      Learn more

      Specs

      Details

      • Platform
        R 45
      • Model Name
        R 45 100x12mm Front Wheel
      • Model Code
        HP8242U

      Wheels

      • Front Hub
        HollowGram Road, sealed bearing, 12x100mm, centerlock, 24h, straight pull
      • Rim Depth
        45mm
      • Rim Outer Width
        32mm
      • Rim Inner Width
        21mm
      • Rim Type
        Carbon clincher, hooked, tubeless ready
      • Nipple Type
        Sapim Up side down, brass
      • Effective Rim Diameter
        549mm
      • Maximum Spoke Tension
        100-130 kgf
      • Max Tire Pressure
        See Owner's Manual
      • Brake Type
        Disc
      • Rider Weight Limit
        100kg/220lbs
      • Spoke Count
        24h
      • Spoke Length (NDS-DS)
        282mm / 268mm
      • Spoke Type
        Formula Grand Forza - radial DS / 3-cross NDS
      • Wheel Size
        700c

      Extra

      • Extra 1
        Tubeless tape

      Weight: 1740g (pair) - Bike and frame weights may vary in final production.
      Please note that, based on component availability and other factors, specifications are subject to change without notice.

      Make it a set

      Rise to Speed. Discover more HollowGram.
      See the Collection