Name: GRX WH-RX870
Brand: Shimano
SKU: EWHRX870LFED70
Price: 985.99 CAD
Availability: OutOfStock

Engineered for Dedicated Gravel Riding

$985.99

Shipping calculated at checkout.

Wheel

Front

Rear

Pair

Freehub Body

N/A

HG

Freehub & Cassette Compatibility Chart

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This GRX carbon wheel is tuned for tubeless gravel riding with wider tires at lower pressures. A 25 mm internal rim width and refined carbon profile improve lateral tire stability, delivering confident handling and efficiency on fast, rough, and mixed-surface rides.

HG L2 freehub body compatible with 12-speed 11-30T, 11-34T, and 11-36T cassettes

MICRO SPLINE freehub body compatible with 12-speed 9-45T, 10-45T, and 10-51T cassettes

GRX-Specific Carbon Design: SHIMANO’s GRX carbon wheel, engineered to balance rim weight, strength, and profile for gravel riding

Optimized Rim Width: 25 mm internal width supports gravel tires from 32–50 mm, for confident handling across mixed surfaces

32 mm Carbon Rim Profile: Low-profile carbon rim promotes efficient acceleration while maintaining control on uneven surfaces

Drivetrain Compatibility: Compatible with road 11- and 12-speed drivetrains for varied setups (not compatible with 12-speed Micro Spline cassettes)

Purpose-Built for Gravel: Carbon rim design tuned for long distances, variable surfaces, and changing conditions

⚠️ WARNING: Cancer and Reproductive Harm- www.P65Warnings.ca.gov

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Purpose-Built Carbon Profile

SHIMANO refined the balance of rim weight, strength, and shape to create a carbon wheel tuned specifically for gravel. The result is a responsive, efficient ride that stays composed over long distances and mixed terrain.

Stability At Lower Pressures

GRX wheels are designed around the realities of gravel riding, where wider tires and lower pressures improve traction and comfort. The optimized rim width helps maintain lateral tire stability on loose, rough, and changing surfaces.

Specifications

Bearings	Cup & cone
Brakes	CENTER LOCK Disc Brake
Brake Type	CENTER LOCK Disc Brake
External Width	30.7 mm
Freehub	HG
Front Axle	12 mm E-THRU
Front Weight	639 g
Hub Seal	Contact
Hub Spacing O.L.D. Front	100mm
Hub Spacing O.L.D. Rear	142mm
Internal Width	25 mm
Rear Axle	12 mm E-THRU
Rear Weight	822 g
Rim Construction	Hooked
Rim Height	32 mm
Rim Material	Carbon
Spokes	24
Spoke Material	Stainless steel
Spoke Type	Straight pull, bladed, butted
Tire Type	Tubeless Ready
Tubeless Ready	YES
Wheel Size	700c

❮ ❯

GRX WH-RX870

Freehub & Cassette Compatibility Chart

Freehub & Cassette Compatibility Chart

Purpose-Built Carbon Profile

Stability At Lower Pressures

Specifications

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GRX WH-RX870

Freehub & Cassette Compatibility Chart

Freehub & Cassette Compatibility Chart

Purpose-Built Carbon Profile

Stability At Lower Pressures

Specifications

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