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Deda Zero 1 Road Stem - 31.7
Deda design for great performance at an unbeatable quality to price ratio. 6061 light alloy, 3D forged, embossed “D” logo.
  • Material: 3D forged, alloy 2014
  • Screws: CrMo
  • Angle: 82°
  • Handlebar: Ø 31.7 mm
  • Fork Steerer: 1 1/8" (28.6mm)
  • Clamp Height: 41.5 mm
  • Weight: 145g (110 mm)


Excelent craftmanship, perfect fit.
Perfect replacement for my current 100mm Deda stem, better ride position and no more lower back pain and cyclist palsy on longer rides!
Excellent item, looks and feels more expensive than it was - very pleased
Using this on the CX bike. Good solid stem at a good price
I've been a fan of the previous model Zero 1 BOB stem, for its looks/performance vs price, paired with Deda Rhm02 bars, so I figured I give the new model a go when I needed a 120mm for a new bike. I like the new design- a little heavy maybe 156g for a 120mm, but Deda really stepped up the stealth looks for the BOB version including black bolts and faceplate. The new acorn crosssection compliments my bikes tube shapes beautifully. Note that the new version is now -8/82 deg angle and the clamp height is a low profile 36mm instead of the usual 40mm so you may have to play with your spacer stack.
Not particularly light if that's what you're after, but a good quality product that looks great and does the job it was made for
Excellent product but beware the description. It says it is an 84 degree but actually has 82 degree printed on the stem body. Still happy with the item.
Very nice looking stem, the decals are quite understated compared to many other stems and the matte black finish looks great too. Not the lightest stem but difference with much more expensive stems is in the order of grams...