Lyne Handlebar AMP 31.8 12Mm Riser Bar
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AMP 31.8 12mm Riser Bar
What Is It?
The AMP 31.8 12mm Riser Bar (commonly branded under Lyne Components AMP series) is a mountain bike handlebar designed for trail, XC, and general MTB use.
It is a 31.8mm clamp alloy riser bar with a 12mm rise, meaning it slightly lifts your riding position for better control and comfort on rough terrain.
Key Features
- 31.8mm stem clamp standard (modern MTB standard)
- 12mm rise for slightly more upright riding position
- 6061 alloy construction for strength and durability
- Wide MTB geometry (around 780–800mm depending on version)
- 5° upsweep + 9° backsweep for wrist comfort
- Designed for trail control and stability at speed
- Lightweight for an alloy MTB bar (~350–380g range)
Specifications
Based on commonly available AMP 31.8 12mm models:
- Material: 6061 aluminium alloy
- Clamp Diameter: 31.8mm
- Rise: 12mm
- Width: ~780–800mm (often 800mm)
- Weight: ~358–380g
- Backsweep: 9°
- Upsweep: 5°
- Use Type: XC / Trail / Light MTB
Bottom Line
The AMP 31.8 12mm Riser Bar is a solid budget-to-midrange MTB handlebar that improves bike control and comfort without adding much weight or cost.
It’s not a high-end carbon performance bar, but it’s a reliable upgrade for most mountain bikes.
Who Is It Suitable For?
- MTB riders upgrading from stock bars
- Trail and XC cyclists
- Riders wanting better control and wider bars
- Commuter MTB setups
- Beginner to intermediate mountain bikers
Pros
- Strong and durable alloy construction
- Good balance of width, comfort, and control
- Affordable compared to premium bars
- Standard 31.8mm fit (widely compatible)
- Comfortable wrist geometry (backsweep + upsweep)
Cons
- Heavier than carbon handlebars
- Not designed for aggressive downhill racing
- Limited vibration damping compared to carbon bars
- Fixed geometry (no adjustability)
Who Should Use It?
You should use this bar if you:
- Want a simple, strong MTB handlebar upgrade
- Ride trail, XC, or light enduro
- Need better steering control and stability
- Are replacing a bent or narrow stock handlebar
- Don’t want to spend carbon-level money
