Designed for riding on rough roads, through gravel and mud, to be able to carry on in comfort, stress-free, to wherever you want, to allow you to achieve that unique sense of accomplishment. The first groupset designed for Gravel riding Explore beyond. Introducing SHIMANO GRX

• Wide tubeless rim limits flex under hard cornering
• Rotational feel similar to smaller wheels
• High rigidity and durability without additional weight
• MTB-inspired asymmetrical mud-shedding rim shape
• Gravel-Tuned Wheelset & Gear Ratios
• Optimally balanced for quick and reliable multi-surface riding
• Size: 27.5" (650b)
• Axle/Spacing: front, 12x100mm Thru Axle; rear, 12x142mm Thru Axle
• Cassette/Driver: Shimano HG 11-speed
• Rim: welded, aluminum, offset, tubeless ready
• Rim Width (internal): 21.6mm
• Rim Depth: 22mm
• Spokes: 24 hole
• Nipple Material: aluminum
• Brake Compatibility: Center Lock Disc
• Recommended Tire Size: 32-42mm
• Color: black