FS: Soma Fabrications High Rise XL Silver Stem Adapter 28.6mm to 22.2mm

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Kim H.

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Sep 17, 2025, 5:49:23 PM (yesterday) Sep 17
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I have a Soma Fabrications High XL rise silver stem adapter that is in almost perfect condition. The length is 290mm. There is only a relatively small blemish on the stem cap. There are no insertion marks throughout the length of the stem. Apparently, these are no longer made as in discontinued ?


– High Rider Stem Adapter allows use of 1-1/8" threadless stem on a 1" threaded fork (22.2mm)
– 290mm total height. 220mm tall from minimum insertion line to stem cap (revised in 2019, this model is slightly shorter than before)
– Quill is sturdy CNC’d machined aluminum and finished with an alloy top cap
– Weight 300g

I was searching for a taller stem for my Clem awhile back. I could not cross the bridge mentally from converting my quill stem over to a threadless stem after buying this adapter from a RBWOB group member. I have always had quill stems on my bikes. I found the Nitto Technomic NTC-280 quill stem, of which has worked out well for me. Therefore, I am selling this Soma Fab high riser stem. 


$54.00 shipping in the CONUS. 
Paypal payment please. 

Kim Hetzel 







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