The Shimano GRX WH-RX180 Rear Wheel is built for gravel riders who want proven Shimano technology at an accessible price. Its tubeless-ready alloy rim, wide 25 mm internal profile, and Centre Lock disc design ensure stable handling and reliable stopping power across mixed terrain. With durable hubs, low-friction seals, and Micro Spline or HG freehub options, this wheel balances performance, strength, and easy upkeep for real-world riding.Key Features and Benefits:Tubeless-ready alloy clincher rim with 25mm internal width: Supports wider tyres for better air volume and grip. This improves comfort, control, and efficiency on rough gravel.21mm rim height profile: Creates a strong yet lightweight structure. The outcome is a balanced wheel that handles fast acceleration and steady cornering.Centre Lock rotor mount system: Provides a quick, secure fit for disc rotors. This makes installation simple and ensures consistent braking performance.24 stainless steel spokes: Delivers dependable stiffness and load distribution. This increases wheel strength while keeping weight low for responsive handling.Angular contact bearing hub design: Bearings cradle the balls to resist radial and lateral forces. This increases durability, ensures smooth running, and allows easy service.Labyrinth and contact sealing: Shields the hub from water, mud, and grit with minimal friction. The result is long-lasting smoothness in harsh riding conditions.Freehub options in Shimano Micro Spline or HG: Ensures compatibility with 12-speed or traditional cassettes. Riders gain flexibility and upgrade potential across drivetrains.A well-built rear wheel must combine stability, strength, and serviceability. The RX180 meets these needs by pairing wide rims for gravel tyres with a hub engineered for longevity. With reliable sealing, robust spoke count, and Shimano s proven freehub systems, it delivers consistent performance without unnecessary complexity.Step into the reliability of Shimano engineering with a rear wheel designed for lasting value, strong performance, and easy care on mixed terrain rides.Specification:Recommended tyre width: 32-50 mm12 x 142 mm thru axle rear, axle not suppliedDiscipline: Gravel & CyclocrossColour: BlackSize: Rear 700C - Tubeless readyAxle Type: Bolt Thru 12mmBrake Type: Centre LockFreehub options: Shimano Micro Spline or Shimano HGHub Width: 142mmRim Depth: <25mmRim Type: Alloy ClincherRim Width: 23-25mmWheel Diameter: 700c