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  1. Somehow I feel relieved that I won't have to put...

    Somehow I feel relieved that I won't have to put it on life-support. Thanks for the opinion. I guess I can move forward now.

    I suppose the same model of hub would be best if reusing the same rim...
  2. I got some mineral spirits and cleaned up the...

    I got some mineral spirits and cleaned up the drive side bearing race. Found evidence of pitting in two areas.

    Area 1 - damage on the race edge:
    499684499685499686

    Area 2 - there's slight...
  3. It doesn't look so bad as your photo. I've still...

    It doesn't look so bad as your photo. I've still not got my cleaning liquids yet. Will report back after I get started on that.



    I am indeed at fault for waiting so long. I only got into...
  4. Thanks. I don't have any cleaning liquid...

    Thanks.

    I don't have any cleaning liquid right now so a visit to the hardware store is in order.

    Would a degreaser like isopropyl alcohol (rubbing alcohol) be alright to clean out the hub...
  5. Thanks. Learn something new every day!

    Thanks. Learn something new every day!
  6. Thanks. I will try prying the cap out using my...

    Thanks. I will try prying the cap out using my tire levers.



    Removing the bearing race would need to be done as the two other bearing races that were removed from the drive side were both...
  7. So the roller cog like thing is not screwed in?...

    So the roller cog like thing is not screwed in? Can I use a flat head screwdriver to pry it out?
  8. Opened up my internal gear hub - Warning! Graphic images.

    My Shimano Nexus SG 3R-40, though working fine, was making a persistant rattling sound. I've been using it for nearly 4 years with no maintenance at all. So I disassembled the thing last night and...
  9. Based on the second to last response in the forum...

    Based on the second to last response in the forum below, the dust cap-sprocket friction is a design issue with this hub.

    Nexus Hub Gear Query Singletrack Forum
  10. Shimano Nexus hub - Dust cap contact issues

    I need some advice on my Nexus 7 hub model: SG-7R50. Specifically on dust caps 10 and 11 in the parts breakdown in image below:

    489773

    After disassembling, replacing a bearing ring and...
  11. Replies
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    Good advice this! My Oyama East Village is a 3...

    Good advice this!

    My Oyama East Village is a 3 speed folding bike and, with its steel frame and rack, weighs in at a hefty 15.8kgs on its own.

    I've outfitted it with all the necessary lights,...
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    On just looking at them, I'm guessing they are in...

    On just looking at them, I'm guessing they are in the range of 25mm width - solid polyurethane slipperiness.

    I was just guessing that a higher psi might be needed as 8" tyres would contain much...
  13. Replies
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    Sadly 8" is still quite small compared to regular...

    Sadly 8" is still quite small compared to regular bicycle tyres. The material, polyurethane, is also quite hard and unforgiving. But I suspect having rubber inflatable tyres in this size would need...
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    Observations: Wet weather is kryptonite to...

    Observations:

    Wet weather is kryptonite to these polyurethane tyres. I've nearly wiped out a few times now. Wet leaves and steel manhole covers are particularly dangerous.

    Also these yellow...
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    On second look you're right. Looks positively...

    On second look you're right. Looks positively miniature.

    Maybe google images will yield some better perspective photos:...
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    488351 One more photo for the interwebs

    488351
    One more photo for the interwebs
  17. Replies
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    I'm picking up the art of switching legs so this...

    I'm picking up the art of switching legs so this is ok.

    As for knees, I read somewhere that leaning forward with knees slightly bent is better. I've been trying this. It's not something that comes...
  18. Thread: Dynamo uses

    by Shahmatt
    Replies
    21
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    841

    I suppose that it's just a matter of time before...

    I suppose that it's just a matter of time before the gadgetry range expands. I'm thinking car cigarette lighter 'esque stuff.
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    Always wanted to try one of those actually! I...

    Always wanted to try one of those actually! I hear they are good for the core muscles.





    Here is an option:
    http://www.amazon.com/Topeak-Trolley-Tote-Folding-Basket/dp/B0033VNCTE

    487796
  20. Thread: Dynamo uses

    by Shahmatt
    Replies
    21
    Views
    841

    Dynamo uses

    I'm just pondering if I need a dynamo.

    Outside of powering lights, and maybe charging a phone, what other uses do they have?
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    I received my A5. I got the blue one. Looks...

    I received my A5. I got the blue one. Looks pretty funky actually.

    Took it out for a ride - about 4.4miles on paved surfaces through a park.

    I have not yet learned how to switch legs. So for...
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    New issue. The purpose of disassembly was...

    New issue.

    The purpose of disassembly was because I damaged my bearing race. I suspect it was an awkward step on the sidewalk that did it. After disassembling the hub some of the bearings had...
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    Thanks. I've watched this video before actually...

    Thanks. I've watched this video before actually but I went ahead and watched it again. I think a second watching helped with understanding better.



    Alright then, the Nexus grease or nothing if...
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    Thanks. Sounds like an idea. Could there be any...

    Thanks. Sounds like an idea. Could there be any potential downsides in just using paint thinner?



    Yes, according to Sheldon Brown, the Alfine 11 is the only hub that uses oil lubrication.


    ...
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    Regreasing an internal gear hub

    I've removed my Shimano Nexus SG-7R50 hub from the shell, but however not disassembled the machinery itself into its little bits.

    I want to replenish the grease on the hub with new White Lithium...
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