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Post by Deleted on Oct 4, 2013 15:03:58 GMT -5
Mine front bearings were way to tight from the factory and i believe they are damaged. Rather than going through the hassle of removing them i might just get a new wheel if they come preinstalled.
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Post by rockynv on Oct 4, 2013 21:51:56 GMT -5
Is that on the new BMS bike? They are supposedly pretty good about sending out warranty parts at no charge so I would start there.
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Post by earlwb on Oct 6, 2013 9:16:17 GMT -5
Whether the wheels come with new bearings or not depends on the importer. The wheels may or may not have them.
Most of the time no.
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Post by Deleted on Oct 6, 2013 11:50:50 GMT -5
Id rather not mess with installing the new ones. Id rather just buy a rim with them installed.
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Post by pmatulew on Oct 6, 2013 17:38:32 GMT -5
They're not that hard to replace if you're at all careful.
To get the old ones out you can just beat them out with a long screwdriver and a hammer. (You're not planning to save them anyway.) Just push the center bushing inside the wheel off to the side and then rock the bearings out by putting the screwdriver down through the center and beating on one side of the bearing and then the other (3:00 then 6:00)
To get the new one in you just find a big socket that fits the diameter of the outside race (and only touches the outside race) of the bearing. Then tap it straight in until you feel it seat. Just be careful not to slip or you'll bugger up the plastic seal. And never beat on the center...
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Post by rockynv on Oct 7, 2013 5:43:43 GMT -5
They're not that hard to replace if you're at all careful. To get the old ones out you can just beat them out with a long screwdriver and a hammer. (You're not planning to save them anyway.) Just push the center bushing inside the wheel off to the side and then rock the bearings out by putting the screwdriver down through the center and beating on one side of the bearing and then the other (3:00 then 6:00) To get the new one in you just find a big socket that fits the diameter of the outside race (and only touches the outside race) of the bearing. Then tap it straight in until you feel it seat. Just be careful not to slip or you'll bugger up the plastic seal. And never beat on the center... I would say that beat is a bit too strong a term for the removal as we are talking about a soft aluminum hub here. Yes you do have to tap them out with a bit more force than when you install them but if you beat on them on one side you can score the bore that the bearing is pressed in to and possibly make it oval. Instead of hammering them in I will use a long threaded rod and two sockets when ever possible. Some auto parts stores that turn brake rotors can also press the new bearings in for a reasonable fee if one is uncomfortable with the process. |
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Post by JerryScript on Oct 7, 2013 11:23:42 GMT -5
Anyone ever try the hot/cold method with these bearings? Use a torch to heat the sleeve, and a can of compressed air held upside down to freeze the bearing, and they usually slide together without nearly as much force. I've done it on many other bearings and shafts, but not on a wheel bearing (yet).
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Post by novaraptor on Oct 7, 2013 12:15:45 GMT -5
When I bought a new front rim from Roketa, it came as a complete assembly, rim and bearings.
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