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Costco Northrock xc00 fat bike $300 with 100mm bbshd

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    #16
    One advantage with the color display over the stock greyscale display is that it shows the actual voltage left in the battery. The greyscale display shows a battery symbol and the more colored sections you have the more charge is left, supposedly. Problem with that is the display is calibrated for a 48v system not a 52v which you should be running and when the battery symbol shows a decline your running on fumes, ask me how I know. The Luna Lander fork was easy to install and worked great until it didn't. Got about a year out of it and it seems to be out of stock for the future???? You can sign for an e-mail notification when and if they come back in but I check pretty regularly and nothing yet. I did open it up and try to service it but the lock-out side air shock was blown and you can't get parts for them. So were going with another shock which seems to work ok it clunks a bit on the rebound after compressing, Maybe I'll just get a blot but I would have to replace my front wheel and get a 150mm hub as the Luna is 135mm. And yes the stock Northrock front hub is smaller so figure on another $175 for a new hub, spokes and labor to lace it up.

    For what its worth I just set up a Surley Wednesday frame with horizontal dropouts and went with a Stermy Archer SX-RK3 3 spd internal hub so I could get rid of the derailer. Got the 80mm Weinman 36s rim from Luna for $50 with no holes and it works fine.Had to get the 120mm BBSHD Bare Bones Motor and used 6mm of spacers on the drive side but I can still use a 30 or 36t chainring and with the 19t 1/8" offset cog in the back and the chainlink is fine. The reason I went with the Surley is that it is steel and I have broke (2) north rock frames (rear drive side chain stay crack). I even have a torque bracket on the non drive side to help secure the motor unit.

    ALERT!! If you happen to go with an internal hub on the Northrock just remember that the rear frame is OFFSET so when they lace up the rear wheel all the spokes will be on one side. Looks funny but my buddy says it rides fine. Only issue I can see is that 1/2 the spokes will be severely bent going back to the opposite side of the hub.

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      #17
      its nice to hear that

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        #18
        Originally posted by Greeno View Post

        Got the 80mm Weinman 36s rim from Luna for $50 with no holes and it works fine.Had to get the 120mm BBSHD Bare Bones Motor and used 6mm of spacers on the drive side but I can still use a 30 or 36t chainring and with the 19t 1/8" offset cog in the back and the chainlink is fine. The reason I went with the Surley is that it is steel and I have broke (2) north rock frames (rear drive side chain stay crack). I even have a torque bracket on the non drive side to help secure the motor unit.
        I'm interested in your experiences and trying to prevent this from happening with my own north Rock. Why do you think it cracked? What's your primary riding behavior? How many miles before crack? Do you typically take off from stop at full throttle or gradual? Do you do jumps on single track?

        Percent riding paved vs single track trails? What gear are you in primarily at start and while riding?

        I have approx 600 miles , less than 10% single track, primarily paved on my bike. Towing mostly 2 kids, gradually accelerating from stop in gears 5/7(mega range 34t) with a 36t at the front. No cracks so far. Once up to speed, I may go to 1/2/3 gears solo but rarely..

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          #19
          I had (2) Northrock frames crack on the drive side rear stay about 2" from bottom bracket. It's an aluminum frame and it flexes when under load, aluminum doesn't like to flex it fatigues the metal whereas steel will also flex but it doesn't weaken the metal. Harsher ride on Alum as its stiffer but riding hard off road has its drawbacks. If you keep it on the road and are mello you should get years out of that bike. Think about it $350 for a bike that converts to an e-bike pretty easily is hard to beat. Enjoy.

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            #20
            If any of you would like to sell your original XC00 fork, please let me know...cheers!

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              #21
              Click image for larger version  Name:	image_19018.jpg Views:	0 Size:	2.77 MB ID:	109343
              Last edited by jrushford; 3 weeks ago. Reason: My finished Northrock XC00 with 100mm BBHSD, Jones H-Bar, outterdo stem riser, civi bike fenders, axiom rear rack, and new seat

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