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Item # TTT000C

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  • Select options
  • Black Ano, 70mm/6 ($72.00)
  • Black Ano, 70mm/17 ($72.00)
  • Black Ano, 80mm/6 ($72.00)
  • Black Ano, 80mm/17 ($72.00)
  • Black Ano, 90mm/6 ($72.00)
  • Black Ano, 90mm/17 ($72.00)
  • Black Ano, 100mm/6 ($72.00)
  • Black Ano, 100mm/17 ($72.00)
  • Black Ano, 110mm/6 ($72.00)
  • Black Ano, 110mm/17 ($72.00)
  • Black Ano, 120mm/6 ($72.00)
  • Black Ano, 120mm/17 ($72.00)
  • Black Ano, 130mm/6 ($72.00)
  • Black Ano, 130mm/17 ($72.00)
  • Black Ano, 140mm/6 ($72.00)
  • Black Ano, 140mm/17 ($72.00)
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Item # TTT000C


3T garnered a strong following with its original ARX alloy stem lineup, which is why it decided to use the same design platform for its new ARX II. We feel it was a smart move on the Italian component manufacturer's part, as the new stem brings everything we loved from the previous model and threw in some updated features.

With the ARX II, the faceplate has been drawn in tighter at the top and bottom in comparison with the original ARX. This more ovalized frontal appearance still wears the signature 3T cutout logo, but it now carries a sleeker overall aesthetic. Going along with this notion, the ARX II's extension also wears a slightly flattened, or 'sculpted,' shape in comparison with the tubular section of the first-generation ARX.

On both clamping ends, 3T opted for the secure Torx-type fitment in place of the Allen bolts used previously. The faceplate received four of these M6 Torx bolts, and a single bolt securely clamps the stem to the fork's steerer tube. The entire stem was constructed using a lightweight, forged 2010 aluminum, which provides exceptional overall strength.

The 3T ARX II Pro Alloy Stem is available in lengths 70 to 140mm (with 10mm increments), and it comes in either a shot-peened Black anodized finished or Stealth colorway. The stem is available with either a +/- 6 degree rise or +/- 17 degree rise, and it fits a 1-1/8in steerer and 31.8mm handlebar. Additionally, the stem weighs roughly 135g (size 110 mm).

Tech Specs

[stem] 2010 aluminum
Bar Diameter:
31.8 mm
Steer Tube Diameter:
1.125 in
70, 80, 90, 100, 110, 120, 130, 140 mm
+/- 6 degrees, +/-17 degrees
Bar Attachment:
Actual Weight:
Black Ano, 70mm/6: 117g
Recommended Use:
road cycling
Manufacturer Warranty:
2 Years

Reviews & Community

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3T ARX II Pro Alloy Stem

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Here's what others have to say...

what kind of heads are on the M6 Torx...

what kind of heads are on the M6 Torx bolts? They done look standard, they look like a star pattern or something...

Best Answer Responded on

That actually takes a Torx size T25 wrench.

That actually takes a  Torx size T25 wrench.
5 5

Bought this and it works

  • Familiarity: I've put it through the wringer

bought this in the -17 deg 120mm variety , and it's nice. This new design on the stem looks and feels better than the old IMHO (in my honest opinion). The silly part is TORX bolts in my opinion, like forreal who has that on their multitool (in t30 size...) ..... t25 for the faceplate and t30 for the clamp btw. Had to fumble around at the hardware (without stem) to figure out what 'm6' on the description was alluding to. But t30 is what the clamp bolt torx size is. Overall the stem is nice, you wont be dissapointed. Not the stiffest alloy or the lightest, but -17 deg brings the aesthetics of 99% of the bikes out there, up a level, which is most important.

Bought this and it works