🏆 Shimano XTR WH-M9220-B Carbon MTB Wheel Set

29" | Boost | Micro Spline | Center Lock | Enduro / EWS

Model: WH-M9220-B
Group: Shimano XTR M9200
Shimano Product Code: EWHM9220LFEREBD9X
EAN: 4550170849726

The Shimano XTR WH-M9220-B is the most robust and advanced full carbon MTB wheelset Shimano has ever produced, developed with the demanding conditions of Enduro World Series (EWS) races in mind.
This set represents the pinnacle of the XTR philosophy in the triangle of durability, ease of service, and racing performance .

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🧠 XTR Philosophy: Robust • Intuitive • Consistent

XTR is Shimano's lightest, strongest, and most responsive MTB component group.
With the new M9200 series:

✔ Wireless Di2 infrastructure
✔ More powerful and predictable braking.
✔ Precise control even under aggressive driving conditions.
✔ Durability suitable for professional races

presents.
The WH-M9220-B wheelset is a component that directly translates this philosophy to the road .

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🔧 Key Technical Specifications

🔹 Usage Area: MTB Enduro / All Mountain
🔹 Model: Shimano XTR WH-M9220-B
🔹 Wheel Diameter: 29" (622 mm)
🔹 Inner Width: 30 mm
🔹 Outer Width: 37.6 – 38 mm
🔹 Rim Height: ~20 mm
🔹 Profile: Asymmetric (Offset)

🔹 Tire Compatibility:
✔ Tubeless Ready
✔ Clincher (with inner tube)
🔹 Recommended Tire Width: 2.25" – 2.6"
🔹 Maximum Pressure: 2.5 Bar / 36 PSI

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🧵 Carbon Wheel Construction – A Balance of Strength & Durability

🧬 UD Carbon (Unidirectional Carbon)
Shimano uses high-modulus UD carbon fiber in these rims:

✔ Low weight
✔ High lateral and torsional rigidity
✔ High tolerance to impacts
✔ Premium matte black look

🛞 Hookless & reinforced wheel bearing , for tubeless use:

• Better tire fit

• Lower risk of explosion.

• Greater driving comfort

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🧷 The Advantage of Asymmetrical Rim Profiles

🔧 Thanks to its asymmetrical hole structure:
✔ More stable wire tension
✔ Longer spoke and rim lifespan.
✔ Higher rigidity
✔ Stability in demanding enduro rides

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🧲 Shimano XTR M9210 Hubs – Next Generation

🔵 Front Hub – HB-M9210-B

✔ Stainless steel industrial bearings
✔ Adjustable preload
✔ Next-generation leak-proof design
✔ Lower rolling resistance

🔴 Rear Hub – FH-M9210-B

✔ Zahnscheiben (Direct Engagement) free hub
✔ 3.5° ultra-fast grip angle
✔ Low friction – fast idle flow
✔ Easy-to-serve structure

💬 Comment:
A 3.5° grip angle ensures that power is instantly transferred to the ground the moment you pedal. This is a great advantage for technical climbs and sudden accelerations.

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⚙️ Micro Spline – 12-Speed ​​Compatibility

🔹 Freehub: Shimano Micro Spline
🔹 Compatibility: 12-speed Shimano MTB cassettes
🔹 Material: Lightweight aluminum

✔ 10-tooth small sprocket support
✔ Wide spline structure that reduces wear on cassette teeth.
✔ Lighter and more rigid system

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🛑 Brake Compatibility – Center Lock

🔩 Thanks to the Center Lock Disc system:
✔ Fast rotor assembly
✔ More rigid connection
✔ Quieter and more stable braking

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🧵 Wires & Structures

🔹 Number of Strings:
✔ Front: 28
✔ Back: 28

🔹 Wire Type: Stainless Steel
🔹 Wire Structure: J-Bend (Classic – service-friendly)
🔹 Stitch: 3x crisscross

🔧 Service Advantage:
J-Bend strings are easy to find and quick to change during races or long laps.

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📐 Axle Standards (Boost)

✔ Front: 15 x 110 mm Boost
✔ Rear: 12 x 148 mm Boost

⚠ Note: Boost thru-axle axles are not included in the box .

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⚖️ Weight (Manufacturer Data)

⚖ Front: ~840 g
⚖ Back: ~951 g
⚖ Total: ~1791 g (set)

(Reported as approximately 1832 g in our own measurements – within tolerance)

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📦 Box Contents

✔ 1 x Front Rim
✔ 1 x Rear Rim
✔ Tubeless rim tape
✔ 2 x Tubeless valves
✔ Spare wire & wire switch
✔ Micro Spline freehub (installed)

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⭐ Why Shimano XTR WH-M9220-B?

✔ Shimano's most robust carbon MTB rim.
✔ Developed for Enduro World Series
✔ Maximum tire support with 30 mm inner width
✔ 3.5° ultra-fast grip
✔ Service-friendly design
✔ Professional racing level performance

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🔥 The Shimano XTR WH-M9220-B is a true racing wheelset designed for riders who demand maximum safety, durability, and control without compromising speed.