Flatness Test After Tire Installation for Carbon Wheels
A Light Travel 700C WG32-45 rim was measured using a high-precision fixture with 0.01 mm accuracy. The rim was mounted horizontally and rotated at 0.3 m/s while lateral and radial runout were recorded on both sides.
Tested rim specification
● Model tested: 700C WG32-45
● Internal width: 32 mm
● Depth: 45 mm
● Weight: 395 ± 15 g
Result vs. standard
● Radial runout: 0.26–0.30 mm
● Lateral runout: 0.21–0.26 mm
● Stated lightweight rim standard: below 0.4 mm
The worst measured radial result was 25% below the stated limit. The worst measured lateral result was 35% below the stated limit.
For the rider, this means the rim starts closer to true before the wheel is built. That supports more even spoke tension, easier wheel building, and a cleaner finished wheel.
