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Syncros XM1.5 AM 35mm Stem

Item # YNS000H

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  • Matte Black, 50mm ($54.99)
  • Matte Black, 60mm ($54.99)
  • Matte Black, 70mm ($54.99)
  • Matte Black, 80mm ($54.99)
  • Matte Black, 90mm ($54.99)
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Item # YNS000H



Roost berms, blast through descents, and take the challenging line through techy stretches with the added control of the Syncros XM1.5 AM 35mm Stem. 3D-forged from 2014 aluminum with an oversized 35mm clamp, the stem confidently grips onto your bars to give you the stable platform you need to take on tougher terrain at a more wallet-friendly price than carbon options. Developed specifically for all-mountain and freeride bikes, the stem has 45mm stack height, a flat rise, and will only add about 135g to your frame.

Tech Specs

aluminum AL2014
50 - 90 mm
Clamp Diameter:
35 mm
Steer Tube Diameter:
1-1/8 in
45 mm
Claimed Weight:
[50mm] 135 g
Recommended Use:
mountain bike
Manufacturer Warranty:
2 years limited

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Gets the job done

  • Familiarity: I've put it through the wringer

I chose this as a no frills stem to shorten up the length on one of my bikes. It's worked great and the 50mm definitely helps for making the bike more responsive and quick. Great stem at a great price.

Just a stem?

  • Familiarity: I've used it several times

Ok ya there isn't much special about this stem. But it works great, uses hex bolts which is nice, and looks pretty good/blends in.

If you have any doubts about the sizing of your stem, you will definitely not regret trying a different size. Do it now! Worst case scenario you go back to your old stem and can spend the rest of the season knowing that you have the correct size stem. Always worth it in my experience to get those little things dialed earlier rather than later so you can just enjoy the ride. Nothing worse than second guessing all summer, or trying your buddies bike with a different stem and realizing you've been hosing yourself.


  • Familiarity: I've used it several times

I chose the Syncros XM1.5 AM 35mm stem for my Santa Cruz 5010. Perfect stack height for my style of riding. I went with the 60mm length. Give me a shout if you want to talk shop.