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DT 240EXP hub clones Goldix, Venfort

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adriaanm:
Regarding the original manufacturer, could it be https://www.yuananbike.com/product/yar-m14-mtb-hub-ratchet-system-center-lock-boost-axle-hub?

ultreia:
DT350 freehub and ratchet rings are fully compatible with this Goldix GDR-310.

About Yuanan, I am not sure if it is the real factory. For one Goldix MTB MH14, could be for this road hub I couldn´t find in their website.

Bearings:

Front hub: 2x6902
Rear hub: 2x6902 (hub body) + 2x6802 (freehub)

In comparison with a DT 350 hub, the freehub also have 6902 bearings. In a sense, more reliable.

Some weight comparison of freehub and ratchet rings:

Goldix freehub - 44 grams


DT freehub - 62 grams


Goldix ratchet rings- 14 grams


DT ratchet rings - 23 grams

cramy:
So except the bearing size which is different, the Goldix GDR-310 is a perfect copy of the DT350?

ultreia:
In terms of geometry are similar but not the same.

Also DT350 weights around 360
DT240 EXP weights around 310
And this hubset weights around 320, so in terms of weight they are more similar to DT 240 (internals are quite equal in 240 and 350).

About bearings, freehub are different, compatible but Goldix freehub uses 6802 bearings and DT 6902 bearings (in old ratchet). Comparing with DT 240 EXP, this are a bit better, it uses 1526 (15 x 26 x 7 mm) bearings, so bigger ball race than 6802, so we assume that they have longer life.

In terms of bearings lasting 6902 > 1526 (15 x 26 x 7 mm) > 6802... theoretically.

Just a note: Goldix front hub uses 6902 and I think that it could be enough to use 6802 in this case and this will save some grams.

DT240 EXP front hub 24 holes center lock -> 104 grams
Goldix GDR310 front hub 24 holes center lock -> 113 grams

DT240 EXP rear hub 24 holes center lock -> between 204-210
Goldix GDR310 rear hub 24 holes centerl lock -> 206 grams

JJJ:

--- Quote from: JJJ on September 29, 2021, 03:08:15 AM ---I ordered a pair of these Goldix GDX-240EXP:
https://www.aliexpress.com/item/1005003014289678.html

A very close clone of the DT's, except for the spoke offset values. I received them pretty fast and still need to mount them. They look pretty well made, anyway.

--- End quote ---

OK, I've tested them now on a few rides with long ascents (600+ m) with steep technical portions (the kind of terrain I thought could break the ratchet teeth). Everything good so far, and confidence inspiring.

They make a helluva noise. But that is known. At least the hikers are warned of my arrival. Don't need a bell, just stop pedaling ;-)

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