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Deity Components Cavity Stem

Item # DTC0009

Select options
  • Select options
  • Black, 35mm ($89.00)
  • Black, 50mm ($89.00)
  • Platinum Silver, 35mm ($89.00)
  • Platinum Silver, 50mm ($89.00)
  • Red, 35mm ($89.00)
  • Red, 50mm ($89.00)
  • Purple, 35mm ($89.00)
  • Purple, 50mm ($89.00)
  • Green, 35mm ($89.00)
  • Green, 50mm ($89.00)
  • Blue, 35mm ($89.00)
  • Blue, 50mm ($89.00)
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Item # DTC0009


Dig in.

On its own, the Deity Components Cavity Stem resembles a large, metal, anodized tooth, which hints at its strength to confidently connect your steerer tube and handlebars. Precisely machined out of 6061 T6 aluminum, the stem features a wide stance and a beefy 55mm faceplate that distributes force and increases stiffness when paired with wide handlebars.

Rounded edges throughout the body offer clean contours that won't dig into your shins when things go sideways. Additional machining on the sides reduce weight where it isn't needed without sacrificing strength and stiffness so you can drop in with confidence that this stem will hold its own through the rough.

  • A stem for ambitious off-road excursions
  • Precisely machined aluminum balances strength and light weight
  • Rounded edges prevent cuts and scrapes
  • Wide face plate distributes pressure and increases stiffness
  • 50mm option features flip flop design for height adjustment

Tech Specs

6061 T6 aluminum
50 mm, 35 mm
Clamp Diameter:
31.8 mm
[50mm] 32 mm, [35mm] 33 mm
Bar Attachment:
four-bolt alloy faceplate
Claimed Weight:
[50mm] 173 g, [35mm] 150 g
Recommended Use:
mountain bike
Manufacturer Warranty:
1 year limited

Reviews & Community


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Looks great and feels solid

  • Familiarity: I've put it through the wringer

This stem looks really good on the bike if you're looking to do some color accenting. It feels stiffer and way more solid that my last stem which was narrow and had a narrow faceplate width. I was surprised how much the Cavity stem improved the feel of my cockpit. This stem is burly and confidence-inspiring but the weight is still reasonable.

Looks great and feels solid

Burly stem without burly weight

  • Familiarity: I've put it through the wringer

I ran the Deity Cavity on my Yeti SB66 for years, it's stiff enough, strong, and doesn't falter. I've trusted it for a long time, and will continue to. Plus, who can beat the bitchin' color options? Purple on purple is pretty rad.

Ambitiously strong & lightweight

  • Familiarity: I've used it several times

Taking Wes' advice from his review I went with the 35mm since I am running this on my dj and plan to be in the air more than on the ground. Good choice
Paired it with a pair of Deity bars and grips for a perfect match that will outlast most marriages
Plus purple is on point...eye candy

DJ Standard

  • Familiarity: I've put it through the wringer

When I took this stem out of the box, (which is packaged very pro) The boys were stoked! If you're having trouble deciding between the 50mm or the 35mm, Just determine how much air and tricks you're gonna doing. If you're riding more trail, or Dual Slalom, or pumptrack, run longer, I fyou're in the air more, spinning the bars, I'd advise the 35mm..