Set up your wheels for the next jam session with Dirt Jump 370 DJ-
specific hubs featuring the 36T Ratchet LN freehub system on the single-
speed rear hub, with a 12-tooth sprocket. The front hub comes without a
disc mounting interface, brakeless up front and unleash all your
creativity when tricking, there's nothing holding you back from pumping
up the jam!
Freehub system
Ratchet LN 36
Front hub
No brake, no cable – simplicity in the service of tricks and stunts.
Rear hub
Singlespeed only, with a 12 tooth sprocket.
Ratchet LN system
The reliability of the freehub system is ensured by the Ratchet LN system.
Bolt-on rear hub fixation
The hubs are available in 20/110 mm (non boost) and 10/135 mm.
We believe in the art of engineering and strive for sophistication in the product development process. Our guiding idea is to constantly push barriers with our inhouse developed technologies.
Looking for conversion options, spare parts, manuals or how-to videos? Visit our product support.
Find help and answers for frequently asked questions here.
According to your selection 370 we found 2 models. Please use the model finder above to narrow down the models. Select the model for which you need product support.
Find help and answers for frequently asked questions here.
DT Swiss sells its products exclusively via official dealers, some of which also have online shops. Please contact your dealer. Or contact the distributor for your country – please use the contact form and select your country first, followed by "Product availability" as the subject.
Compare the products on our website, where you can find our entire range and all technical specifications. Use the Wheel Finder to find the right wheel in just a few clicks.
Alternatively, contact a dealer – they know all about DT Swiss products and technologies and can advise you.
Under Product Support, you will find exact details of all conversion options for your product (wheel, hub). First go to Product Support and select your product using the DT Swiss ID or filter. Under "Conversion" you will find the exact details for all conversion options. You will also find helpful How To videos and manuals.
There are various reasons why the freehub may be stuck. Our technical manuals can help you find the cause:
You can also convert our Pawl hubs to the Ratchet LN System. You can buy the Ratchet LN upgrade kit from dealers. The How To video explains conversion step by step.
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