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Tredz£139.99Visit shop Shimano Black Wh-Mt620 29" Boost Tubeless Compatible Rear Wheel Size 12
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The Shimano WH-MT620 29-inch rear wheel is designed for mountain bikers seeking a reliable, high-performance upgrade for their 12-speed trail setups. Featuring a robust 30mm internal rim width and a precision-engineered MICRO SPLINE freehub, it provides excellent power transfer and tire support for aggressive riding; however, users should note that the axle is sold separately and must be sourced independently for installation.
| Model Part Number | WH-MT620 |
|---|---|
| Brand | Shimano |
No, the 12x148mm axle is not included and must be purchased separately.
No, this hub features a MICRO SPLINE freehub body designed specifically for 12-speed cassettes.
The 30mm internal width is best suited for tires between 2.25 and 2.5 inches wide.
Yes, it uses standard 2.0mm stainless steel J-bend spokes, which are replaceable.
You will need a Center Lock to 6-bolt adapter to use standard 6-bolt rotors on this wheel.
It is tubeless ready, but you may need to install rim tape and sealant to complete the setup.
Adjust the cup-and-cone bearing preload using the standard Shimano adjustment procedure.
Ensure the Center Lock ring is tightened to the recommended torque specification and check that the axle is properly seated.
Re-check the rim tape for tears and ensure the tubeless valve nut is sufficiently tightened.
To set up this wheel, ensure you have a compatible 12x148mm (Boost) thru-axle, as it is not included in the package. Install your MICRO SPLINE cassette according to manufacturer specifications and mount your Center Lock rotor using the appropriate tool.
For tubeless setup, apply high-quality tubeless rim tape and a compatible valve stem. Maintenance is straightforward due to the cup-and-cone style bearings; periodically inspect the seals for debris and clean the internal grease sleeve to maintain low rolling resistance. Avoid high-pressure water sprays directly at the bearing seals to prevent grease wash-out.
