You’re asking for a lot but might get close with a used “Cigne” or “LD” type stem, or a VO Happy stem. EBay or FBM. I have an ugly-ass adjustable rise stem stock on my REI Co-op brand e-bike. The bike is heavy and the ride is stiff. I load it down and it gets beat up. Stem has not moved. YMMV.
Liz in Sacto Ritchey has @ $50 stems with 30-degree rises:
https://ritcheylogic.com/bike/stems/comp-4-axis-30d-stem
(Not available, apparently, from Ritchey directly, but someone should have them in the shorter lengths...)
(Note that short-length stems don't actually rise very much, regardless of the angle of the rise!)
Cheers!
Liz Washington, DC
On Thursday, October 24, 2024 at 4:34:21 PM UTC-4 Patrick Moore wrote:
This list ought to know about this question.
I hope to install Maes Parallels when I rebuild the Medium 2012 Monocog and since the effective tt is 59.5 cm* compared to the 56.5 or 57 where I usually install such a bar I’ll need a stem that is both 25 or 30 mm shorter than the 80s I use on my road bike and that also gets the bar clamp at least level with saddle (don’t know needed height above spacers since I don’t yet have the saddle installed, but this suffices for the general question).
Question: Where can I find threadless stems with 5 cm extensions and a 30 or 35* rise that don’t cost custom prices? a 6 cm ought to work since I will have the bar level with saddle instead of ~3 cm below.
Second question: Are adjustable stems sturdy enough for long-term use?
Thanks.
*I could only find the spec for the 2015 Monocog 29er aluminum but this fits with my own admittedly slapdash measurements. If anyone can correct me, please do so.
I will have fun with this build. I think of ultralight 60 mm Big Ones and the long unused S3X with 17 t cog and if I can make it work a cosmetically marred Dura Ace GA 200 crank with 42 t ring for ~ 72, 54, and 45 inch gears or perhaps an 18 for 68, 51, 43. Time will tell.
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Patrick Moore Alburquerque, Nuevo Mexico, Etats Unis d'Amerique, Orbis Terrarum
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