A strong choice for a trail or cross-country rider replacing a 29er rear wheel on a 12x148 mm, 12-speed Shimano-compatible MTB.
This is a 29-inch MTB rear wheel built around a 12x148 mm thru axle, 24 double-butted J-bend spokes and a 30C aluminium rim. The tubeless construction is well suited to modern trail setups, while the broad rim profile supports confident tyre control across varied terrain.
The MICRO SPLINE freehub accepts compatible Shimano 12-speed cassettes with a 9/10T top sprocket, giving you the wide-range gearing these drivetrains are designed around. For braking, the CENTER LOCK interface makes rotor installation and removal simple and provides a secure, precise connection.
In day-to-day use, the MT620 platform is known for straightforward tyre fitting and easy tubeless inflation, with a comfortable ride feel and sensible value. Choose this rear wheel when you want a durable, serviceable aluminium option without moving to a more complex or expensive wheel system. Check that your frame uses 148 mm spacing, your cassette is MICRO SPLINE-compatible and your rotor is CENTER LOCK before ordering.
29-inch MTB format
Matches modern 29er mountain bikes and keeps the specification focused on trail and cross-country use.
12x148 mm thru axle
Designed for frames using the Boost rear hub standard, with a secure axle connection for confident handling.
MICRO SPLINE freehub
Accepts compatible Shimano 12-speed wide-range cassettes with a 9/10T top gear.
30C aluminium rim
The broad rim profile gives your tyre a stable base and supports controlled handling on uneven ground.
Tubeless construction
Built for tubeless setups, helping you run a modern MTB tyre system without an inner tube.
CENTER LOCK rotor mount
The splined rotor interface uses a lock ring for a secure fit and convenient installation or removal.
24 double-butted J-bend spokes
A practical spoke layout that balances wheel support, serviceability and manageable weight.
Independent measured weight: 1,255 g
A useful benchmark when comparing replacement 29er rear wheels.
General
Dimensions & weight
Materials & construction
Compatibility
MICRO SPLINE
The lightweight aluminium freehub body supports a 10-tooth top gear. Pair it with a compatible MICRO SPLINE cassette and freehub system for a wide-range drivetrain.
CENTER LOCK
The spline-mounted rotor interface uses a lock ring for quick installation and removal, while the secure fixing improves precision, rigidity and braking efficiency.
Shimano is a Japanese component brand founded in 1921 in Sakai, Osaka. The company began with bicycle component manufacturing and has grown into a global business focused on bicycle components, fishing tackle and rowing equipment, while keeping its headquarters in Sakai.
In cycling, Shimano is best known for building complete component ecosystems that span road, mountain, gravel, commuting and e-bike use. Its range covers drivetrains, brakes, wheels, pedals, shoes and related parts, and the brand has had a long presence in Australia through a local business established in Sydney in 1992.
