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  1. #3401
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    Quote Originally Posted by Greg_o View Post
    Anyone know if this crank

    Sram Gx Fat 1000 Gxp Crankset, 10-Speed, 175mm, Black, 94mm, Bcd 34-22T

    and this BB

    SRAM GXP English 100mm Team Cups for Fat Bike Crank

    would be a direct fit?
    Which Boris do you have?

    Sent from my SM-G955U using Tapatalk

  2. #3402
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    Boris x7. (I mistakenly said x5 a few posts back)

    Bought in Nov 2014 which I suspect is the second generation (does not have the rear wheel slide outs people have mentioned.
    ..now just tinker with our bikes and feed the cats. - oldbear52

  3. #3403
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    Quote Originally Posted by Greg_o View Post
    Boris x7. (I mistakenly said x5 a few posts back)

    Bought in Nov 2014 which I suspect is the second generation (does not have the rear wheel slide outs people have mentioned.
    Ok, the X7 has a 170mm rear hub so that SRAM BB and Crankset you indicated will work.

    If you had a 190/197 rear hub, the crank arms wouldn't clear the chainstays.

    Sent from my SM-G955U using Tapatalk

  4. #3404
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    Quote Originally Posted by Tavic View Post
    Ok, the X7 has a 170mm rear hub so that SRAM BB and Crankset you indicated will work.

    If you had a 190/197 rear hub, the crank arms wouldn't clear the chainstays.

    Sent from my SM-G955U using Tapatalk
    Hey that is greatly appreciated, thank you so much.

    It was the 94mm measurement listed on the crank that I didn't understand since the BB is 100mm. What does the 94mm refer to?
    ..now just tinker with our bikes and feed the cats. - oldbear52

  5. #3405
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    Quote Originally Posted by Greg_o View Post
    Hey that is greatly appreciated, thank you so much.

    It was the 94mm measurement listed on the crank that I didn't understand since the BB is 100mm. What does the 94mm refer to?
    I have no idea. Where'd you find that spec?

    Sent from my SM-G955U using Tapatalk

  6. #3406
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    Quote Originally Posted by Tavic View Post
    I have no idea. Where'd you find that spec?

    Sent from my SM-G955U using Tapatalk
    Right here

    https://www.niagaracycle.com/categor...bottom-bracket
    ..now just tinker with our bikes and feed the cats. - oldbear52

  7. #3407
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    Quote Originally Posted by Greg_o View Post
    Ok, that is in reference to the chainring mounting, 94mm BCD (Bolt Circle Diameter). Whoever posted it put the comma in the wrong spot.

    Sent from my SM-G955U using Tapatalk

  8. #3408
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    Quote Originally Posted by Tavic View Post
    Ok, that is in reference to the chainring mounting, 94mm BCD (Bolt Circle Diameter). Whoever posted it put the comma in the wrong spot.

    Sent from my SM-G955U using Tapatalk

    Again, greatly appreciated my friend, thank you very much for the help.
    ..now just tinker with our bikes and feed the cats. - oldbear52

  9. #3409
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    Tagging on here to the crankset question:

    Looking at removing my 2015 Santa Cruz 5010 crankset that came with a SRAM S1000 GXP crankset 2x10 which I converted to an Absolute Black 28t oval and bash guard (keeping the original crank arms).

    I'd like to transfer this set up to my Boris x7 and replace the Lasco cranks & BB. May go with the single ring/bash guard or stay 2x10 but not sure about the BB mostly.

    I've been measuring a researching and it looks like I could transfer the full crankset and bb straight over from my 5010 to the Boris?

    Not a 100% sure so I thought I'd see if anyone here knows or has done something similar.

  10. #3410
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    Anyone service these generic hubs? Any advice? Was hoping to find a new wheel set for a decent price but at this point it's looking like I might use these for another season and they spin pretty rough.
    ..now just tinker with our bikes and feed the cats. - oldbear52

  11. #3411
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    Quote Originally Posted by Greg_o View Post
    Anyone service these generic hubs? Any advice? Was hoping to find a new wheel set for a decent price but at this point it's looking like I might use these for another season and they spin pretty rough.
    I was unable to service them. Shop couldn't disassemble the rear hub so i replaced with a used salsa that could be serviced.


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  12. #3412
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    I was in the same boat as Rcksqrl. I took a chance and bought some hubs here

    BikeHubStore.com

    Turns out these hubs are actually really good quality. My LBS where surprised at how cheap I got them and said they compared to much more expensive brands.

  13. #3413
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    So the front hub was easy to take apart and service but admittedly didn't fix the 'crunchy' rolling feeling.
    ..now just tinker with our bikes and feed the cats. - oldbear52

  14. #3414
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    Hubs are serviceable so far as the bearings go. Brake side nuts come off and axle slides out. Bearings stock are bad quality, mine were slightly pitted. New bearings and grease make everything better.

  15. #3415
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    ^ Any idea what the bearing size is?
    ..now just tinker with our bikes and feed the cats. - oldbear52

  16. #3416
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    Should be 1/4", fronts are typically 3/16.

  17. #3417
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    Quote Originally Posted by wreckster View Post
    Should be 1/4", fronts are typically 3/16.
    Appreciated.
    ..now just tinker with our bikes and feed the cats. - oldbear52

  18. #3418
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    Questions on the Boris X9, and how people like/dislike?

    I am looking at a used Framed 2.0 ($525) and a used Boris X9 ($550). Both in mint condition it seems. My first big question would be stock, what is the better spec for spec bike? Based on what I can find online it seems the Boris, but not 100% sure.

    The Boris also has a few upgrades (Carbon bars, KHS fork and 45 North tires). The Framed is stock.

    I am looking for a winter fun/summer fun fat bike. I just bought a SC 5010 full suspension (still need to go get it) so I also don't want to break the bank, hence the used world.

    The Boris is a M, I am 5' 10" so I am first wondering if that will be to small or not? In the FS world I felt to big for my Med. Trek Fuel, but felt to small on a Specialized SJ L. The SC, L felt perfect. I have read Boris runs "bigger" that others... or well BD says "5'8" to 5'11' tall" for the medium. Peoples thoughts about this?

    Also, compared to the Framed, what is the better buy? Will I be happy with the Boris as a winter banger bike/summer fun?
    '17 Santa Cruz Bronson 2 S
    '16 Fuji Absolute 1.7D
    '15 Motobecane Boris X9

  19. #3419
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    IMO, the boris is better. The bottom bracket on the framed bike is a neco unit, while the boris has an x5. Not that the x5 is amazing, but better than neco. bb7 brakes are hands down winners over the bb5. Almost twice the brake surface area. The drivetrain is better on the boris, but the framed bike is still file. Both will work equally well,but if you want to go 1x10 in the future, easier on the boris. Only bad thing about the boris was the tires, and it sounds like that's been resolved. If the seller still has the old tires, I'd get them too though. They are actually pretty good on dry dirt. miserable in the snow though.

    Size wise, I'd say the medium will be fine. I'm 6'5" and ride an XL (obviously), but with a fat bike and a longer seatpost, I can easily ride a medium just as easily. Those big wheels make the bike feel a size larger.
    "a hundred travel books isn't worth one real trip"

  20. #3420
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    Question for anyone who installed the Chinese carbon fork mentioned frequently here - did you have to downgrade your front brake rotor to a 160mm? My stock 180 wouldn't fit, but a spare 160 appears to be a perfect fit.
    ..now just tinker with our bikes and feed the cats. - oldbear52

  21. #3421
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    Quote Originally Posted by Greg_o View Post
    Question for anyone who installed the Chinese carbon fork mentioned frequently here - did you have to downgrade your front brake rotor to a 160mm? My stock 180 wouldn't fit, but a spare 160 appears to be a perfect fit.
    There's a spacer kit that's available to size up to a 180.
    https://www.amazon.com/Avid-Post-Mou...3VNSMFMQPG56JG
    Dash Pt. State Park (Tacoma), Big Sky Montana during Snowboard Season, Duluth Mn, a couple of times of year incl. Xmas.

  22. #3422
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    Interesting. I was tempted to make something like this but decided against it. Have you personally used these?

    Thanks for the link!
    ..now just tinker with our bikes and feed the cats. - oldbear52

  23. #3423
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    Quote Originally Posted by Greg_o View Post
    Interesting. I was tempted to make something like this but decided against it. Have you personally used these?

    Thanks for the link!
    Yes, I have it on my 2014 Boris X9.
    Dash Pt. State Park (Tacoma), Big Sky Montana during Snowboard Season, Duluth Mn, a couple of times of year incl. Xmas.

  24. #3424
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    Quote Originally Posted by Greg_o View Post
    Interesting. I was tempted to make something like this but decided against it.
    I've used spacers and bolts from the hardware store, and if you don't get the $$ stainless steel stuff, it will rust on you. Sometimes, worth the cost to buy the right parts from the bike shop (which really doesn't cost any more than buying the good parts from a hardware store). This spacers are for post mount though. I don't remember if the carbon fork mentioned a lot here is a post mount or ISO mount, but if it's ISO mount, get the avid 180mm adapter bracket. Only costs about $7, and worth it to have the right adapter rather than trying to make the 160mm adapter work.
    "a hundred travel books isn't worth one real trip"

  25. #3425
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    Mechanical Dropper internal routing ?
    I just bought a 2018 Boris the brut for winter riding here in Mass.
    While waiting for delivery I've been getting parts together for upgrades.
    The specs say the frame is set up for internal routing. I'm not knocking Bikes Direct but the discription is somewhat criptic.
    Anyone have this bike ?? Is the frame set up for internal dropper routing?
    Motobecane 2018 Boris The Brut Complete Fat Bikes with Mulefut Tubeless Comp. Wheelsets Shimano M7000 SLX, Fat Bikes, Mountain Bikes
    Thank you
    Dan

  26. #3426
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    Quote Originally Posted by Tavic View Post
    Ok, the X7 has a 170mm rear hub so that SRAM BB and Crankset you indicated will work.

    If you had a 190/197 rear hub, the crank arms wouldn't clear the chainstays.

    Sent from my SM-G955U using Tapatalk
    You sure on that? I've got the SRAM crankset on my X7 and there appears to be a LOT of room for extra chainstay width.

    And BTW, the SRAM BB and Crankset is not without its own set of issues. Keeping the right side cover/inner bearing seat in place can be an issue. Sorry to say it was for me, but O-rings between the cover and the chainwheel "fixed" it (for now). The crank does not ride on bearing, but rides on the a plastic tube created by the bearing dust cover. You can get bearings of the proper size though, as well as use other dust covers after that. But why? Gotta be a better way!

  27. #3427
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    Boris report....-img_20180114_140338.jpg

    When I bought Boris 2.5 years ago he weighed in at a whopping 37lbs. Today after a steady diet of modest upgrades over time he comes in at a svelte 28.75 lbs. Nothing stock but the headset at this point.

    Hoboy Carbon fork ($200ish)
    Origin 8 AT-60's with fatty stripper tubeless set up with Bling Strips ($240)
    Jumbo Jim 4.0's (obtained in a trade for tools I won)
    Deore brakes and rotors (parts bin)
    XT 1x10 drive (parts bin)
    Raceface ride stem and bars ($40?)
    Ritchey comp seatpost with PS adapater ($30?)
    WTB Pure V saddle (parts bin)
    Sram GX cranks, ring, bb ($130)
    Kalloy seat post clamp ($5)
    Deore SPDS (parts bin)


    The narrower rims and JJ tires make a world of difference. It's a lot more nimble now and less of the monster truck feel. Of course it's not going to be as great in super soft conditions but for my uses this bike rips now.

  28. #3428
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    Thanks for posting about your changes. Tell me about those wheels. I have been looking at them and was curious about the quality of the hubs. Are they an upgrade over the current ones?
    It's all good!

  29. #3429
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    Wow - I really like what you've done and glad you shared that. I'm in the same process right now so it's good to hear how much you've shaved off in pounds.

    So far I've replaced the handlebar (went w/740mm), seat post (Race Face Ride w/shim and new clamp), saddle (WTB rocket).

    I've got the Sram GX cranks and GXP 100mm BB coming. I'm hoping to keep the rear Sram stock cassette and convert to a 1x10 that way right now (need to probably shorten the chain).

    Next I'll look in the wheel set, fork, and brakes. This is mostly my winter bike but it's my first fat bike and I'm getting used to it all.

  30. #3430
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    So I once had a cheap set of unbranded 29er wheels that came with origin 8 hubs. I expected very little of them but they actually turned out to be pretty good. Had 32 POE with a nice deep click sound..i was hoping these would be the same but they aren't. These are the same engagement as the stock, however, they are sealed and spin a little smoother. I would say they are an upgrade in that they are sealed and the qr's they come with are nicer. The major upgrade is the weight savings. For 200 bucks to lose about 1.5 lbs of rolling weight is incredible. Keep in mind going to the narrower rim will affect the profile of the tire noticeably. I probably wouldn't put anything bigger than a 4.0 on the 60s. If the majority of your riding is in snow or soft conditions I'd probably stick with 80s. For trail riding though the 60's are a blast and will still get me through winter. (I'm considering keeping the stock wheels and getting a bigger front tire for snow conditions but we'll see)

    The cranks aren't much of a weight savings but the bb is much, much better. I opted to go with 170's also to reduce the number of pedal strikes. I think the chainline is also better with the 1x gx instead of the stock 2x cranks.

    I guess it depends on which Boris you buy but on any of the lower end ones the first thing to upgrade should definitely be the tires. Tires make all the difference on these bikes.

  31. #3431
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    Most of my riding is trail riding rather than snow riding. We don't generally get enough snow to worry about dedicated snow riding gear (of course, it is snowing today LOL). And, if I wanted to, I could always pop the stock wheels back on for a snow ride. Thanks for the info on the wheels.

    How much of a weight savings was the Sarma fork?

    I already upgraded my tires to H Bellies. Much better than the Vee 8's that were on there.
    It's all good!

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