The D 1900 keeps a dirt-jump wheel focused on the job: a 26-inch format, a 30mm internal-width aluminium rim and a straightforward, serviceable DT Swiss build.
It is made for pump tracks, street riding and repeated jump sessions. Check the exact front or rear fitment rather than assuming ordinary mountain-bike axle standards will fit a dirt-jump frame and fork.
The rear wheel has a 135mm threaded-axle hub, a single-speed driver and a 36-tooth Ratchet LN mechanism.
One rear wheel; not a wheelset
30mm internal rim width
Match wheel diameter, axle standard and rotor interface to the bike
The rear hub uses a compact single-speed driver and a 135mm threaded axle. It is a deliberate dirt-jump setup rather than a conventional multi-speed trail hub.
Ratchet LN inside
The 36-tooth Ratchet LN mechanism provides a serviceable drive system. Routine access for cleaning and greasing keeps the wheel straightforward to maintain through regular pump-track and street sessions.
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