Profile Helm Stem 31.8mm

Marsoni

M251S

$162.95

Get it in 3 business days with 1 day shipping. Friday, May 29

Profile Helm Stem 31.8mmThe new Profile Helm is an oversized stem for the 31. 8mm bars we are seeing more and more of on the race scene The stack height is 20mm with 0 degree rise and features moto clamp front bolts (top two bolts fully tighten, bottom bolts to adjust clamp pressure). Made from fully CNC machined, 7075 billet aluminum, the stem body machined with radius and chamfered edges for a smooth finish and features anodized colors with laser etched graphics. Sizes:

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Bought this for my laptop that lacks an ethernet port. The connectivity is perfect. Have had it now for over 6 months and no issues; not surprised as it is an Anker (always reliable for me). Nice to have an extra USB-C port, as well as 2 USB-A's. Haven't used the display port, so can't comment on that. Nice and compact.

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Reviewed in the United States on June 3, 2026