At 123g the WCS Trail is one of the lightest stems on test. The wide bar clamp (45mm) and tall steerer tube clamp (also 45mm) help to deliver lots of stiffness and clamping force.
The unusually tight fit of the bar clamp means you have to force the bar into place. It scored our test bar slightly, and creaked as we tightened the bolts. We tried two different bars with similar results. It also twisted more easily on the steerer than the most solid stems here when we held the wheel and hauled on the bar to test its clamping force.
Price $132