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  1. #1
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    My 650b Carbon Hardtail Build

    I just built up a new toy. It is a 650b (27.5") carbon hardtail. It is setup as a 1x10. 142x12 rear and 15mm thru axle on fork.

    Here are a bunch of pics I took while I was building it this past Friday:

    Here is the frame when I received it:



    Here are all the parts waiting to be installed:



    Tubeless tires mounted and ready to go:



    Rotors mounted:



    Frame ready to go:



    Checking required fork length:



    Fork after being cut:



    Fork installed:




    Cranks installed:



    Close up of cranks:



    Brakes mounted:



    Wheels installed:



    Almost Complete:



    Outside shot:



    At local bike shop to get hydraulic brake lines shortened:


  2. #2
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    Re: My 650b Carbon Hardtail Build

    Nice, what's the weight on this build?? 120mm fork??

    Sent from my PC36100 using Tapatalk 2

  3. #3
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    Just under 22 lbs on the bathroom scale. Ill get a pic with it on a bike scale when I get it back at the end of the week. The fork is 100mm travel.

  4. #4
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    Re: My 650b Carbon Hardtail Build

    Did you purchase the frame off eBay?? How does it ride?

    Sent from my PC36100 using Tapatalk 2

  5. #5
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    Yes, the frame is a Chinese frame from eBay. I won't get to ride it till this weekend but will be sure to give a ride report once I do.

  6. #6
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    Re: My 650b Carbon Hardtail Build

    Which seller did you get it from if you don't mind me asking. I am thinking of building one myself

    Sent from my PC36100 using Tapatalk 2

  7. #7
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    It is a FR-503 frame. Just do an ebay search. The ebay seller I got mine from was zgr9 but there are multiple sellers with the same frame.

  8. #8
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    Reputation: vizsladog's Avatar
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    great looking bike

  9. #9
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    Can't wait for the ride report. Loved seeing the pictures of the buildout.
    When I'm not riding I help beginner mountain bikers learn new skills at Texas Mountain Bike Trails.

  10. #10
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    I took it out for a spin last weekend. The bike feels so light and fast compared to my full suspension 650b. The local trail was covered in leaves and my brake pads hadn't been bedded in yet so I didn't get to go full speed on it, but I think it will make a great xc bike. I will update after I get more ride time in. I am swapping out the stem for something shorter and I might be swapping the brakes to shimano xtr (just used to the feel of shimano lever from other bikes)

  11. #11
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    I can see slx cranks - what did you use for a chainring, and what RD to make a 1x10 setup with no guide?

  12. #12
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    I used the raceface narrow-wide chain ring. Rear derailleur is a SRAM x9 type 2.

  13. #13
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    Re: My 650b Carbon Hardtail Build

    Nice, what's the weight of the bike?

    Sent from my PC36100 using Tapatalk 2

  14. #14
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    21.6 lbs

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