Stan’s Flow EX– Shimano 3D72 and SRAM X7

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New wheels.  Stout, tubeless friendly Stan’s rims weigh in at about 550g or less.  They are a pleasure to build and accept high tension.  Out of the box, they are extremely round.

Stan’s Flow EX rims (29.1mm wide) to Shimano 3D72 generator and SRAM X7 cassette hub.  2.3″ WTB Exiwolf tire rear, and 2.4″ Maxxis Ardent tire front.

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17 thoughts on “Stan’s Flow EX– Shimano 3D72 and SRAM X7

  1. Oh, you decided against the P-35’s? I think you’ll be very happy with the Flows. 32 hole? The Sram hub looks promising. Let me know if you have any issues with the freehub. I still haven’t seen the innards of it. Have you taken it apart yet?

    • I completed a ticket at TWD for a QBP order. It didn’t go through in time, so I selected items from the BTI catalog to be hand-delivered next day. BTI drives a van down to ABQ every Wednesday. I had the option between two or three wider rims– none as wide as the P35– and I selected the Stan’s for light weight and being tubeless friendly. Aside from Surly Marge Lites, these are the most expensive rims I have used. It should be no surprise that they are so nice, but they really were a joy to build.

      Three wheels in the last two days; two fork rebuilds, three tires tubeless, BB7s mounted, and replaced front derailleur for a model with better tire clearance.

      Sold the Hooligan, Campeur, and possibly the Pugsley this weekend.

      I have not seen the insides of the freehub yet, but is operates with very little play when new.

      • I meant to ask about tubeless. Both of you are choosing to go sans-tubes for your tour? What is the 4th wheel, Lael’s existing front? I’m still debating on tubeless for our trip.. I’m glad you went with BB-7’s. Congrats on the liquidation. Sorry we’ll miss the big party too. Hugs!!!

      • Fourth wheels is Lael’s existing front wheel, cartridge bearing hub to WTB Speed Disc. I might have liked to replace it as well, but I am always trying to keep the ‘needs’ from the ‘wants’. Money will be better spent on baguette and wine.

        The plan (unofficially) is to go tubeless and keep it up as long as possible. We should be able to find sealant every so often, or we can just buy some online and ship it somewhere. The bigger challenge may be seating a tire on the trail, of which I have several thoughts. I may carry 26″ tubes, which Scott has said typically work fine in a 29″ tire. Secondly, I could use the 26″ tube to regain tublelessness by the split-tube method or I could install it normally. I suspect with Stan’s rims and a split-tube rimstrip, I could seat the tire with a frame pump.

  2. The 26″ tube takes a bit more patience to install. When I used tubes I used 26″ tubes but would carry a 29″ tube as a spare, only because it’s a bit quicker to change in the field.

    • The frame appears to have clearance for the Knard. Of course, a front derailleur would be out of the question, and some drivetrain mods might be necessary if using a geared system. An IGH XXIX with Knards could be a good way to go to save a few bucks. Perhaps, a Velocity Blunt 35 wheelset with a 2.4 rear and 3.0 Knard front tire would be most practical.

  3. How are you finding the Flows after 6 months of riding? I’m looking to build a long distance rigid, bikepacking bike – maybe an Ogre. Hope to be fairly light though with the usual frame, seat and bar bag setup though I expect I might still need a couple of small panniers. Anyway, I’ve been agonising over rim choice. So far I’m thinking 29er Rohloff rear and dynamo front. But I want to take this through Asia and so really want bombproof wheels. I’ve considered Sputniks but would like something lighter and wider if possible – and Flows have been recommended by the wheel builder I’ve been speaking to. So, I wondered how you’d found them and whether you would recommend them for a relatively light (but probably not ultralight) off road touring setup….?

    • Full recommendation! I enjoyed building them, and have more faith in these rims than many ‘touring’ rims we’ve used. I touched the spokes for the first time in 7 months today, and turned less than a handful of spokes to bring them back to perfect. As you know, I’m not packing an ultralight load, and we’ve been riding some rough stuff. Don’t forget how valuable bigger tires can be as well.

        • The X7 hubs have been great, no issues at all. When I mounted the Hans Dampf tire in Czech, I noticed the locknut had loosened and thus, the bearings were running a little tight. After adjusting and tightening, it has been perfect ever since. I hadn’t tightened the cone and locknut when the wheels were build, so this is not surprising.

          As I was mounting tires yesterday, I noted that the bearings felt as smooth as the day I bought them, still thick with grease and no signs of pitting.

          Additionally, the freehub has grown louder, and has never shown signs of any contamination. The external seals in the freehub appear to be very effective.

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