WTB: 650b wheelset (for Rosco Baby build) AND tires too - want to buy by this weekend, SF Bay Area

[Pancake]

My friend and I are building up a Rosco Baby (medium) this weekend and have most the parts ... except we need a 650b wheelset and tires.

Looking for something like Rivendell's offerings would be ideal, Cliffhanger, Atlas, or similar rims that can take a 45mm+ tires. Their "Velocity-Built Budget Alex" set would be great, but it's out of stock. 

650b, 32h or 36h, quick release, rim brake, front and rear wheels, double butted spokes are preferred, Deore or better hubs would be nice. 

Also looking for bottom bracket (68x118 UN55), QR skewers, and long pull / v-brake levers. 

We're hoping to get setup for a ride with both of our daughters this weekend after test riding the Gus at Riv on Friday!

Thanks,

Abe

[AMAC]

Hey.  I have pair that came stock on a Hillborne I bought last year.  It was the demo model so the wheels are slightly mix matched.  The front has deore hub and it looks like Alex DM18 rim (no sticker; though it does have a made by Rich sticker).  The rear has a Clem hub and the rim is labelled Alex DM18 (it also has the rainbow nipples; so this means the front will have silver nipples while the back will have the Rivendell rainbow nipple pattern).  They didn't get much use as I upgraded to a different set soon after.  I could send pictures along if you like.  Let me know.  

Best,

Andrew   

[Pancake]

Those might work well, though I understand the Alex DM18 has an internal width of 18.4mm which is a bit on the narrow side for this project, but workable. I'll switch over to email from here.

Please keep the options coming - I'll post here if these work out.

Take care,

Abe

[Justin, Oakland]

I have some Byways. Available for name your reasonable price. Pickup near Montgomery BART 12-12:45 or Maxwell Park/Mills College in Oakland.

-J

[Pancake]

Hi Justin,

Byways could be very nice, but I'll have to take a raincheck as several of the not-quite-ideal offers I've got so far include tires and I'm still not settled on a wheelset. 

So far the offers have all been:

(1) are a little narrow of a rim (like AMAC above, though he's my backup plan for now) or 

(2) in 130mm rear spacing (which I understand may be possible to use with a couple 2mm spacers) but I 'm holding out hope for something that is a little wider rim and in 135mm rear spacing. 

Anyone holding 135mm old rear wheel with a wider rim for 45-65mm tires?

Thanks for all the helpful replies and messages, I'm feeling better that we'll end up with something good for our project!

Abe

[Jonathan D.]

I have a pair of Vocity Atlas wheels I could sell. I think Deore but I am out of town.

[franklyn]

For what is worth, Jan Heine wrote about the myth that rim width matters here:

https://www.renehersecycles.com/myth-18-wide-tires-need-wide-rims/#more-14719

Think about mountain bike rims in the 80's and 90's

From personal experience, I have used velocity synergy rims with schwalbe thunder burts 2.1" tires. The synergy probably has 18mm or less internal width. It was completely fine!

Franklyn
Berkeley, ca

[Joe Bernard]

Also, I'm looking at a pair of those Alex Clem rims with 45mm tires right now and the rims look plenty wide to me.

[Justin August]

Sounds good - let me know if you want.

Offers available for anyone local as well.

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[Andrew Huston]

I’ve got a stock Clem wheelset with virtually no miles. Still have the kenda tires on there as well. Let me know if you are interested.

[Pancake]

Real world review, perfect! However, I’m hoping for a wheel set that can take up to 60mm tires. I think we’re gonna run this thing pretty plush and wide. I’m now in touch with a couple members about their Alex wheelsets trying to sort out prices and details. But I’m still hoping that something even closer to ideal pops up, hopefully with a slightly wider rim but I understand from Jan‘s blog and others that these 18.4mm rims would probably be fine even with a substantially larger tire like 55mm.

Thanks for all the help and suggestions everyone, feeling confident we’ll get something sorted soon.

Abe

[Pancake]

Success! Got a nice wheelset from Joe Bunik and nearly finished with the quick and dirty build up of the Rosco Baby for a first ride this morning. 

I was missing two parts:

• 1 x 650b / 27.5" tube - should've bought at Riv! I only had one on hand yesterday as I assembled the bike.
• Crazy shim? The seatpost external diameter is 32.4mm ... what? There's no derailleur clamp for that size? I ground down my old shim about half it's size to make a poor DIY shim, but I need something to replace it ... this one was a surprise for me! Anyone know more about the proper derailleur clamp size for the Baby? It's a 29.8mm seatpost, my callipers show 32.4mm external diameter on the seat tube ... what the heck derailleur clamp and shim should I be using? I'll call Riv today an ask, but any ideas in the meantime? 

Pics to follow I hope!

Abe

[Pancake]

Everyone who said, “the derailleur clamp size is 31.8mm, it’s a double butted seat tube so your caliper measurement was wrong because it was too high on the tube” ... you were right! 34.9 mm to 31.8 mm shim from the local bike store and then we were in action! This is more than just a baby bike, it’s a very stout but also feels like lots of other riv bikes. It was very comfortable to stop with the bike and the baby. That’s the main thing, but a big part of that is being able to step forward between the baby seat and the nose of the saddle, it’s a great trick compared to my Cheviot which just can’t compete for baby seat riding. The Schwalbe G one tires are super floaty and fun, I have been wanting to try them for a long time and they really beat all my expectations. Tried some on the hillibikes at Rivendell yesterday, the whole round version and it was great. I got to speed version for the baby bike since I don’t anticipate too much Too much dirt writing, they are huge!

[Joe Bernard]

How tall are you? I saw that prototype baby-bike-don't-carry-a-baby-on-it in the RBW shop a couple months ago and thought it was a cool stretch cruiser as is. I'm curious how the reach works.

[Abe Gardner]

Joe, my PBH is 84.5cm, I’m 6’0” tall. It does feel a little long but nothing I could adjust with a different stem and bra. Currently have 80mm technomix stem with 56cm steel Albatross bars ... reach is a little long with baby in the seat, UT feels good without the baby seat. I’ll adjust a little or swap on Bosco bars for a little more sweep back. Really enjoyed this project and the ride is sweet (with a sweetie).
Abe

> On Dec 21, 2019, at 4:04 PM, Joe Bernard <joer...@gmail.com> wrote:
>
> How tall are you? I saw that prototype baby-bike-don't-carry-a-baby-on-it in the RBW shop a couple months ago and thought it was a cool stretch cruiser as is. I'm curious how the reach works.

>
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