Shimano GRX WH-RX880 - Rear - 700C - 12-speed Micro Spline - 12x142mm - Center Lock Disc
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Product Information
Full details
The Shimano GRX WH-RX880 rear wheel is designed for gravel and adventure cyclists seeking improved aerodynamics, durability, and wider tire compatibility. Its key benefit is offering a high-performance carbon rim that enhances ride quality and speed on varied terrain. A potential caveat is its specific compatibility with Micro Spline 12-speed systems and Center Lock disc mounts, requiring a compatible drivetrain and braking setup. This wheel features a 32mm high profile carbon rim, 25mm internal width, and robust spoke construction for a balanced blend of stiffness and weight.
All features
| Model Part Number | WHRX880MR |
|---|---|
| Brand | SHIMANO |
Extended Product Information
FAQs
What is the maximum tire width this wheel can accommodate?
The internal rim width is 25mm, making it ideal for gravel tires ranging from 32mm to 50mm.
Does this wheel come with a thru-axle or quick-release?
This rear wheel is designed for a 12x142mm thru-axle system.
What type of cassette is compatible with this wheel?
It features a Micro Spline freehub body, which is compatible with Shimano's 12-speed Micro Spline cassettes.
Can I use this wheel with sealant and no inner tube?
Yes, the wheel is tubeless-ready and designed to be used with tubeless tires, sealant, and valves for optimal performance and flat resistance.
What size disc brake rotor should I use?
This wheel is designed for compatibility with 140mm disc brake rotors using the Center Lock mount.
Is this wheel suitable for road cycling as well as gravel?
While the aerodynamic profile can benefit road riding, its design is optimized for gravel and adventure, particularly with its wider rim and tire support. It can be used on the road but may not be the most efficient choice for pure road racing.
What is the warranty period for this wheel?
Please refer to the official Shimano warranty information for the specific duration and terms, as warranty periods can vary by region and retailer.
Troubleshooting
Wheel is not spinning freely
Check for frame or brake caliper interference. Ensure the thru-axle is properly tightened but not overtightened. Inspect hub bearings for any signs of damage or contamination; servicing may be required.
Disc brake rotor rubs against the wheel
Verify the rotor is correctly mounted to the Center Lock hub. Check that the frame and fork dropouts are clean and that the wheel is seated fully and evenly. Minor adjustments to the brake caliper may be necessary.
Tubeless tire is not holding air
Ensure the tubeless rim tape is intact and properly seated. Check the tubeless valve for a secure seal and ensure the tire bead is fully seated against the rim. Add or check the level of sealant.
Wobbly or untrue wheel
This may indicate a need for spoke tension adjustment or truing. Consult a professional bike mechanic for wheel truing services.
Pros and Cons
Pros
- Improved aerodynamic profile for faster riding.
- Wider internal rim width supports modern, high-volume gravel tires.
- Durable full carbon construction for challenging terrain.
- Lightweight yet stiff design for efficient power transfer.
- Tubeless-ready for enhanced ride comfort and flat protection.
Cons
- Limited to 12-speed Micro Spline cassettes, not compatible with older systems.
- Center Lock rotor mount requires specific Shimano or compatible rotors.
- 32mm rim depth may be less ideal for riders prioritizing absolute lowest weight over aerodynamics.
- Specific thru-axle standard (142x12mm) may not fit all older frames.
Setup, Compatibility & Care
Compatibility: This is a rear wheel specifically for 12-speed Shimano Micro Spline drivetrains and uses a Center Lock rotor mount. It requires a frame with a 12x142mm thru-axle spacing. Ensure your cassette, derailleur, and chain are compatible with the Micro Spline system. The wheel is designed for 700C tires and is tubeless-ready; ensure you use tubeless rim tape, valves, sealant, and tires for this setup. It is compatible with 140mm disc brake rotors.
Setup: Install a compatible 12-speed Micro Spline cassette onto the freehub body. Mount the Center Lock rotor, ensuring it is tightened correctly according to manufacturer specifications. Install a tubeless valve stem, apply tubeless rim tape, mount your tubeless tire, add sealant, and inflate to the desired pressure. Mount the wheel onto your 142x12mm thru-axle frame.
Care: Clean the rim and spokes regularly with mild soap and water; avoid harsh chemicals. Ensure the spokes are tensioned correctly. Check the disc brake rotor and hub for debris. Store the wheel in a cool, dry place when not in use.