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Item # RCF002X

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

Over-oversized.

If you're keen on importing the new gravity standard of 35mm bars to your XC or all-mountain rig, then Race 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

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

Reviews & Community

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Avg. ride time: 2h 27m per week
  • Average ride time is based on Strava activity over the last 3 months. Give your reviews credibility by connecting your account.

Clamp the 35mm Down

    This works for keeping the 35mm steering part of your bike where it should be. Economical and not bad looking in a good range of sizes.

    Will get the job done

    • Familiarity: I returned this product before using it

    This stem ended up not being right for my build however it looked like a great stem for the value! I went in another direction but would consider this stem for a different bike than the SB6 i was building.

    Great Value Stem

    • Familiarity: I've put it through the wringer

    All my bars have swapped to 35mm clamps and this is my go to for a great price stem. I personally go with a 50mm or shorter on all my bikes but the options here go all the way up to 90mm so everyone is happy

    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.