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Bbshd failures and troubleshooting

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  • Louis
    commented on 's reply
    As I promised, we will stand behind it and replace. Maybe it's time for surgery! When you remove the drive side cover the axle is basically floating and will lift out with no resistance. That is normal.

  • Lostboy423
    replied
    I have 2 BBSHD bikes. The first one has been flawless. The second has had a couple problems. The first issue was the play in the axle. As Eric said just a couple of mm. Did not seem to affect performance. It hasn't worsened over time. The second problem is noise. It started off silent then developed noticeable gear noise. I discussed this with support and they suggested opening it up and packing with grease. This seemed to help a bit for a time. So I repacked it again. No real help. Like I said motor still performs like a champ but not silent any more. There is the constant noise of the gears. Also when I removed the drive side cover instead of a couple mm's of play in the axle there is almost a cm. This is resolved again when the cover is reinstalled. I think I'm just waiting for it to die. I don't think I can pack any more grease in there. Also the gasket between the housing and motor is essentially paper and is destroyed by grease...

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  • Eric Luna
    replied
    Yes we will be doing just this..... we will be doing repair videos of the 2 problems described above....

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  • singwood
    replied
    Eric, it would be wonderful if you could document any repairs done in your shop with a video, youtube or otherwi

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  • Eric Luna
    replied
    Pedals "Break" loose


    This was the first BBSHD failure we saw and it has happened on 2 drives so far.

    Symptoms:
    This usually happens with hard pedaling the customer feels a breaking and then suddenly the customer can no longer pedal the BBSHD although the power function still works fine. The pedals just spin loosely without contributing any power.

    Culprit
    This is the clutch breaking.


    Solution
    Luna Cycles now stocks the clutch and the part is easily replaced without the drive coming off the bike. Estimated time for repair is less than 30 minutes.

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  • Eric Luna
    replied
    PLAY IN THE AXLE

    We have had 2 BBSHD come back with play in the axle. You can really see this with the pedals on. The axle would slide back and forth a few millimeters.

    We noticed that one of these BBSHD had been taken apart by the customer and it looks like maybe not put together right which caused the problem.

    Culprit:
    This is a problem of the race bearing which can become disassembled which causes the play.

    Solution
    Luna Cycle is now stocking this 3 piece race bearing and the part is easily replaced without the drive coming off the bike. Estimated time for repair is less than 30 minutes.



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