OUO Mtb Handlebar Stem CNC Long Stem 140/150mm 7/17/12/25 Degree 31.8mm Road Bike Stem Bicycle Power Parts Riser Bar Extender
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Specifications
- Brand Name
- OUO
- High-concerned chemical
- None
- Origin
- Mainland China
- Handlebar Clamp Diameter
- 31.1 - 32.5mm
- Fork Clamp Diameter
- 28.6mm
- Type
- Bicycle Stem
- Material
- Aluminum alloy
- Height
- 36 - 45mm
- Stem riser
- 7/12/17/25 degree
- Stem length
- 140/150mm
- Color
- matte black
Product Description
OUO Mtb Handlebar Stem CNC Long Stem 140/150mm 7/17/12/25 Degree
Specifications:
Brand: OUO
Color: Sand Black
Material: 6061 T6 Aluminum Alloy
Size: 31.8*150mm/31.8X140mm
Front fork diameter: 28.6mm
Handlebar caliber: 31.8mm
Degree: ±7/12/17/25 degree
Weight: around 196-222g
Features:
(1). CNC production technique.
(2). Ultra long bike stem, specially for taller rider.
(3). Made of aluminum alloy, which is solid and durable.
(4). Simply designed, easy to install without any tool. Fit for most mountain bikes, track bikes and road bikes.
Pros & Cons
Pros
- High-strength 6061 T6 aluminum for lightweight 196-222g durability.
- Multiple lengths 140/150mm and angles 7/12/17/25° for custom fit.
- Precise CNC machining ensures secure clamping on 31.8/28.6mm setups.
- Matte black finish resists corrosion on MTB/road bikes.
Cons
- Long stem may raise handlebars excessively for some riders.
- Clamp diameter range 31.1-32.5mm might need shims for exact fit.
- Heavier than carbon alternatives.
- Installation requires tools and torque specs.
Common Questions
What material is the OUO MTB Handlebar Stem made of?
6061 T6 Aluminum Alloy, CNC machined; matte black color.
What sizes and angles for this road bike stem?
140/150mm length, 31.8mm handlebar clamp, 28.6mm fork; 7/12/17/25 degree rise.
Is this stem compatible with MTB or road bikes?
Yes, for MTB, road bike; height 36-45mm, weight 196-222g.
How to install the OUO bicycle power stem?
Clamp to 31.8mm bars and 28.6mm fork; adjust angle for riser bar extender.
Shipping origin for OUO bike parts?
Mainland China; high-concerned chemical none.
Product information last updated on January 27, 2026