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  • 3T ARX II Pro Stem
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3TARX II Pro Stem
Sale 40% Off$48.00 - $55.80

Item # TTT002C

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  • Black Ano, 70mm/6deg ($55.80)
  • Black Ano, 100mm/6deg ($54.99)
  • Black Ano, 110mm/6deg ($54.99)
  • Black Ano, 120mm/6deg ($54.99)
  • Black Ano, 130mm/6deg ($49.68)
  • Black Ano, 80mm/6deg ($48.00)
  • Black Ano, 90mm/6deg ($51.09)
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Item # TTT002C
Description

All aboard.

The engineers at 3T aren't (quite) rocket scientists, but they do seem to recognize a solid design when they've produced one. We're pleased to report that the ARX II Pro Stem's popularity throughout the self-sponsored peloton hasn't escaped their notice, and it returns for another model year with all of its original upgrades to the ARX Pro intact but nothing more besides an updated graphic. With its time-tested 2010 alloy construction and +/- 6 degrees of rise, the ARX II Pro all but guarantees the safety of your cycling ship and all those aboard.

The most obvious change from the ARX Pro to the ARX II Pro is that the length of the stem is slightly flattened on the sides. 3T notes that this creates a sleeker profile than the original ARX, but we also notice that it brings the cross section more in line with the squared-off edges of stems like the Integra, which use sharper angles to increase resistance to the torsional flex that can eat up watts while you're pulling on the bars in anger.

The face plate's top and bottom have also been trimmed up, bringing the bolts together and reducing both the aerodynamic footprint and the weight — the ARX II Pro weighs a claimed 5g less than its predecessor at 135g. The stem's hardware marks yet another point of departure, switching from Allen to Torx/star bolts, which is a less immediately obvious difference that, if overlooked, may frustrate the unprepared mechanic. The faceplate attaches with the standard complement of four bolts, but the steerer clamp only uses one, contributing yet more weight savings.

Tech SpecsWeight
Tech Specs
Material
2010 aluminum
Rise
#ERROR!
Clamp Diameter
31.8mm
Steer Tube Diameter
1-1/8in
Stack
40mm
Bar Attachment
4-bolt Torx/star faceplate
Recommended Use
cycling
Manufacturer Warranty
2 years
Weight

Actual Weight

Actual weights are measured in-house by the Competitive Cyclist team.

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Grams

Oz

Black Ano, 70mm/6deg
121g
4.27oz
Black Ano, 100mm/6deg
167g
5.89oz
Black Ano, 110mm/6deg
146g
5.15oz
Black Ano, 120mm/6deg
151g
5.33oz
Black Ano, 130mm/6deg
n/a
n/a
Black Ano, 80mm/6deg
159g
5.61oz
Black Ano, 90mm/6deg
159g
5.61oz

Claimed Weight

Claimed weights are provided by the vendor.

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[110mm] 135 g

Reviews & Community

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Avg. ride time: 3h 25m per week
  • Average ride time is based on Strava activity over the last 3 months. Give your reviews credibility by connecting your account.

A+ for the 3T

  • Familiarity: I've used it once or twice and have initial impressions

Truthfully, I don't think I noticed the stem on my bike one way or the other until getting this ARX II Pro stem from 3T.

I upgraded recently to this stem, paired with the 3T Ergonova Pro Handlebar. After only a weekend's worth of riding, I'm in! The clean lines of both the graphics and the stem itself are gorgeous to look at, and the performance matches.