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Item # RCF002X

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  • Black, 50mm ($39.95)
  • Black, 60mm ($39.95)
  • Black, 70mm ($39.95)
  • Black, 80mm ($39.95)
  • Black, 90mm ($39.95)
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Item # RCF002X


If you're keen on importing the new gravity standard of 35mm bars to your XC or all-mountain rig, then Face Face's Aeffect 35 Stem has you covered. Its 6061 aluminum body is lightweight and designed for single-crown forks, but it lets you replace your oversized 31.8mm bar with an over-oversized 35mm model. The overall expansion of bar and stem does come with a slight weight gain, but we think the added stiffness and reliability of a reinforced cockpit is worth the few extra grams — especially considering the wider, 750mm bars we're seeing on XC and all-mountain machines.

Tech Specs

6061 T6 aluminum
50 mm, 60 mm, 70 mm, 80 mm, 90 mm
6 deg
Clamp Diameter:
35 mm
Steer Tube Diameter:
1-1/8 in
39 mm
Bar Attachment:
4-bolt clamp
Claimed Weight:
[60mm] 155 g
Recommended Use:
mountain bike
Manufacturer Warranty:
1 year

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Value added for more reach

  • Familiarity: I've used it several times

The stock stems on many of today's on-trend geometry bikes are a bit short for my liking. Therefore I swapped out my 50mm for a 70mm and feel right at home on my SC 5010. The 35mm clamp size is here to stay and the bars are stiffer because of it. This is an economic option for a stem and stays true to RF quality.