Mountain biking is not a one-size-fits-all sport. The geometry that dominates a steep, chunky downhill track can feel sluggish and unresponsive on a tight, twisting climbing trail. That is why the new 2026 Amflow PR Carbon was engineered with an industry-leading geometry adjustment system, giving riders the power to completely transform their bike’s handling.
Through a combination of clever hardware, the Amflow PR Carbon unlocks up to 40 unique geometric configurations, allowing for precise adaptation to your specific terrain and riding style. Let’s break down how it works:
1. 5-Position Adjustable Headset Cups
Out of the box, the PR Carbon features a balanced 64.5° head tube angle. However, the included adjustable headset cups offer five levels of fine-tuning (-1°, -0.5°, 0°, +0.5°, +1°). Going slacker increases your trail for rock-solid stability at high speeds, while steepening the angle improves low-speed agility and climbing efficiency.
2. 2-Position Bottom Bracket Height
Your bottom bracket can be set to either 349mm or 353mm. Run it high to clear brutal rock gardens without suffering pedal strikes, or drop it low to lower your center of gravity for maximum cornering grip.
3. 4-Position Chainstay Length
Utilizing a versatile flip-chip at the Horst pivot, the chainstay length can be stretched or shrunk from 440mm to 452mm. Keep it short for a snappy, playful ride that loves to manual, or lengthen it for planted, high-speed stability.
By mixing and matching these three adjustment points, the Amflow PR Carbon becomes a true chameleon on the trail. You no longer have to adapt your riding style to your bike; the PR Carbon adapts to you.