GRX RX880 700c Tubeless Disc Wheelset
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Warning: California Proposition 65
Carbon RX880 wheelset delivers lightweight performance for gravel speed
What Our Gearhead® Experts Are Saying:
"I’ve ridden carbon gravel wheels from multiple brands, and the RX880s really stand out. They're shockingly light for a 25mm internal width rim, climb like road wheels, and feel planted in rough terrain. The DIRECT ENGAGEMENT hub feels crisp under power, and they’ve proven bombproof so far."
Shimano’s RX880 700c wheelset packs high-end engineering into a purpose-built platform for gravel racing and mixed-surface exploration. Designed with Shimano’s pro-level performance DNA, this wheelset brings a rare balance of lightweight design, power transfer, and rugged durability.
The RX880 rims use a full carbon layup with a 32mm depth and 25mm internal width, supporting gravel tires from 32mm to 50mm. That makes them ideal for everything from ultra-endurance races to backroad epics. Tubeless compatibility helps riders reduce pressure for better traction and fewer flats. The lacing pattern, refined from Shimano’s WorldTour wheels, ensures optimal lateral and torsional stiffness for precision handling on uneven ground.
At the heart of the RX880 is Shimano’s DIRECT ENGAGEMENT freehub system, offering nearly instantaneous engagement and fewer moving parts for long-term reliability. The centerlock disc rotor interface and 12mm thru-axle compatibility ensure smooth integration with modern gravel frames and drivetrains. Whether you're chasing podiums or discovering remote ridgelines, the RX880 is a top-tier choice for performance-driven gravel riders.
Details
- Lightweight gravel bike wheelset for performance and adventure
- Ideal for fast mixed-terrain events and endurance gravel rides
- Full carbon rim with 32mm depth for aero gains and control
- 25mm internal width supports wide gravel tires up to 50mm
- Tubeless-ready design for lower pressure and fewer flats
- Shimano DIRECT ENGAGEMENT hub offers instant power transfer
- Updated HG-L2 freehub optimized for Shimano 12 speed road cassettes
- Weighs just 1,395g for the pair—lighter than many road wheels
- Item #SHIU1M5
- Rim Material
- carbon
- Wheel Size
- 700c
- Rim Type
- tubeless
- Rim Depth
- 32mm
- Rim Width
- [internal] 25mm, [external] 30.7mm
- Brake Compatibility
- centerlock disc
- Hubs
- HG L2, Microspline
- Front Axle
- 12 x 100mm
- Rear Axle
- 12 x 142mm
- Spokes
- J-Bend
- Spoke Count
- 24
- Claimed Weight
- [front] 635g, [rear, HG] 762g, [rear, Microspline] 759g
- Manufacturer Warranty
- 1 year
- Activity
- gravel
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