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DT 240EXP hub clones Goldix, Venfort
JJJ:
--- Quote from: federic000 on October 22, 2021, 02:28:37 AM ---i also want to share my experience, bought a pair of Velosa wheels with OEM hubs, DT350 replica it seems, below some pictures.
the ratchet wheel was very bad, i had multiple occurrences of "jumps" over the teeth losing traction on the pedal and it's very dangerous in my opinion especially when climbing.
i replaced the ratchet with original DT swiss 54T and it's like reborn, luckily for me since i wouldn't like to swap the full hub honestly.
on the front wheel, the hub is ok when mounted in the fork, but it has some loose when unmounted.
--- End quote ---
Well, you seem to have been unlucky. I didn't want to go for the 54T, because I read they were sensitive to dirt and even too much (or too thick) grease, even the original DTs. I went for the 36T, and they are fine so far.
JJJ:
--- Quote from: JJJ on November 03, 2021, 03:34:46 AM ---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 ;-)
--- End quote ---
The noise they make is like this (pick your number of teeth):
ultreia:
--- Quote from: JJJ on November 03, 2021, 03:34:46 AM ---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 ;-)
--- End quote ---
About noise, I saw in my GDR310 that there is no much grease in the ratchet, so it could be the reason for the loud noise.
JJJ:
--- Quote from: ultreia on November 03, 2021, 06:23:39 PM ---About noise, I saw in my GDR310 that there is no much grease in the ratchet, so it could be the reason for the loud noise.
--- End quote ---
The noise is perfectly normal, and the small amount of grease too. Put too much grease in the ratchet, and it will fail, because the teeth on the two rings will not mate properly, the grease getting in the way.
Ben78:
I have the Venfort "Pro4" version of this hub.
Front is perfect, about 500km so far not a single issue.
Rear is about 100km and is also good, except when I stripped it down after 30km or so to make sure everything looked ok. The inner ratchet had jammed into the body. I managed to get it out by tapping the backside with a drift I made using an old screwdriver. I contacted Venfort who told me that the ratchet is inner/outer specific. Although there is no visual indication of this at all. I swapped the ratchet pieces around and have had no further jamming issues though.
As for sound, I ride with a guy that has a DT 360 with 36T ratchet, this hub sounds identical. The hub does have a slight "off centre" sound which makes the volume rise and fall slightly, noticeable when riding but not to a spectator.
The hub came with a spare set of driver bearings also which is nice.
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