Convert fatboy to 29er

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Convert fatboy to 29er
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Posted: Jun 11, 2021 at 15:02 Quote
Should have a fatboy to start riding here within the week, with a Bluto RL. Was wondering if anyone has swapped 29 or 27.5 wheel sets into a fat bike frame. I don’t have the room for more bikes so I thought this could be an interesting idea for summer riding. My assumption is that I’d need a fatbike specific hub. Besides making sure the tires don’t rub on the frame what are the other considerations I should be aware of?.

Posted: Mar 15, 2022 at 12:54 Quote
2trickpony wrote:
Should have a fatboy to start riding here within the week, with a Bluto RL. Was wondering if anyone has swapped 29 or 27.5 wheel sets into a fat bike frame. I don’t have the room for more bikes so I thought this could be an interesting idea for summer riding. My assumption is that I’d need a fatbike specific hub. Besides making sure the tires don’t rub on the frame what are the other considerations I should be aware of?.

Did you have any luck on the 29 conversion?

Posted: Mar 18, 2022 at 18:07 Quote
Did you have any luck on the 29 conversion?[/Quote]

I have a 29er wheelset for my fatcaad with zero regrets. If I had to keep only one bike, this would be it.

I laced a 29er rim on a new rear hub, and bought a matching complete front wheel with boost spacing because I don't love the Bluto for aggressive riding. I swap the Bluto with a 120mm Pike for the summer. I usually run 29x3.0 tires, but 29x2.6 also work well.

One of my riding buddies has the same setup on his Farley, but with130mm Fox34, and he really likes it.

Posted: Mar 23, 2022 at 7:50 Quote
I’ve got a set of Ibis Alloy S35s 29ers laced to a Hope Fatsno in the rear and Hope boost in the front. I just got a nice Mastodon fork so I’m going to be selling these wheels and getting a set with 150mm front. Let me know if you are interested.

Posted: Mar 23, 2022 at 20:39 Quote
zeeino wrote:
Did you have any luck on the 29 conversion?

I have a 29er wheelset for my fatcaad with zero regrets. If I had to keep only one bike, this would be it.

I laced a 29er rim on a new rear hub, and bought a matching complete front wheel with boost spacing because I don't love the Bluto for aggressive riding. I swap the Bluto with a 120mm Pike for the summer. I usually run 29x3.0 tires, but 29x2.6 also work well.

One of my riding buddies has the same setup on his Farley, but with130mm Fox34, and he really likes it.[/Quote]

What rims did you use?

Posted: Mar 24, 2022 at 16:58 Quote
I went with sunringle duroc 40 because I figured that the offset nipple holes would reduce the spoke angle with the rear 197mm hub. My buddy with the Farley went with the Duroc 50.. A better option for 3 inch tires, but not great for 2.6

Posted: Jun 23, 2022 at 11:18 Quote
zeeino wrote:
I went with sunringle duroc 40 because I figured that the offset nipple holes would reduce the spoke angle with the rear 197mm hub. My buddy with the Farley went with the Duroc 50.. A better option for 3 inch tires, but not great for 2.6


Looks like I'm stuck looking for 190 rear hubs or going with the Hope Fatsno and a conversion kit:

https://www.chainreactioncycles.com/us/en/hope-pro-2-4-evo-rear-hub-conversion-kit/rp-prod68578

https://www.chainreactioncycles.com/us/en/hope-pro-4-fatsno-mountain-bike-rear-hub/rp-prod145287

I'm trying to figure out rims now. Are you happy with your Duroc 40s? I was thinking I would run 2.8 or 3.0.

Also, this is for a 26" rig. Should I be looking at 27.5 or 29 rims?

Thanks.

Posted: Jun 23, 2022 at 16:53 Quote
I'm very happy with the Duroc 40s. The front used to burp at times when I had 29x3.0, but I rode them for a whole season without having any real problems. Haven't had a single burp with the 29x2.6 I'm currently running.

Unless you're looking to lower your BB height, I personally don't see any reason why you would go with 27.5. For reference, I have a measurement of 14 ½" from floor to the center of the axle with 29x2.6 maxxis recons mounted on Duroc 40s (if I remember correctly, same as the 26x4.0 I had).

Posted: Jun 23, 2022 at 20:40 Quote
Nice. Thanks for the solid reply. Is there anywhere else beside CRC that has 190mm rear hubs in stock?

Posted: Jun 24, 2022 at 10:36 Quote
So, I found these:

https://www.the-house.com/qfrthaxr197bkzz-framed-bike-hubs#product-details

But, I need the end-cap conversion kit to turn it into QRx190. Strangely, the same retailer does not have the end-cap kit, and I've reached out to Framed to see if they do (could not find it on their website). Does anyone have a LBS that works with Framed hubs/wheels? Seems like the major online retailers do not carry these axles, which is why I'm having a hard time locating the end caps.

Posted: Jun 24, 2022 at 13:45 Quote
Not sure how comfortable you are with ordering China direct... Shipping does take up to 6 weeks at times. And make sure to select the 32hole option (assuming that you're getting 32H rims).

https://m.aliexpress.com/item/32804321756.html?spm=a2g0n.productlist.0.0.74c00NEs0NEsLh&browser_id=db93ce4034b7406eaf1314c6740ef6eb&aff_trace_key=b16fe71bcf904892a5a576118e624800-1655558639319-05002-UneMJZVf&aff_platform=msite&m_page_id=loy7fwqdwb4carhy1819772cdd22264376b518dbe0&gclid=&pdp_npi=2%40dis%21CAD%21%2171.32%2171.32%21%218.83%21%21%402101e9d516561032927305128efd9f%2165313584700%21sea&algo_pvid=852a4c34-ca93-46f1-ad99-bf002f16a759

Posted: Jul 15, 2022 at 14:16 Quote
2trickpony wrote:
So, I found these:

https://www.the-house.com/qfrthaxr197bkzz-framed-bike-hubs#product-details

But, I need the end-cap conversion kit to turn it into QRx190. Strangely, the same retailer does not have the end-cap kit, and I've reached out to Framed to see if they do (could not find it on their website). Does anyone have a LBS that works with Framed hubs/wheels? Seems like the major online retailers do not carry these axles, which is why I'm having a hard time locating the end caps.

I’ve built a set with bitex hubs from BHS. Mine are 177 but they have 190s. I like them a lot and they are really affordable. They are quiet with good engagement. They also make the flange spacing even on both sides so the spokes are all the same length with the same tension. With as wide as fat hubs are you can get away with giving up some flange width for the sake of symmetry.

https://www.bikehubstore.com/product-p/fb190.htm

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