How to Install Your Wheelset When Using Asymmetric Carbon Rims

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On 2025年12月31日

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To determine if your rim is asymmetric, use the valve hole as your primary reference point:

Symmetric Rim: The valve hole and the spoke holes are all aligned on the same center line.
Asymmetric Rim: The spoke holes are offset to one side and are not on the same line as the valve hole.

Using the valve hole as your starting reference:

The spoke hole to the left of the valve hole should lace to the lower flange of the hub.
The spoke hole to the right of the valve hole should lace to the upper flange of the hub.

Asymmetric rims are designed to balance spoke tension. They should be oriented as follows:

For Rear Wheels: The "offset" (the side where the holes are further away) should be on the non-drive side (opposite the cassette).
For Front Disc Wheels: The "offset" should be on the drive side (opposite the disc rotor)

Feature	Symmetric Rim	Asymmetric Rim
Spoke Tension	Often uneven between drive and non-drive sides.	More balanced tension between both sides.
Wheel Strength	Standard durability.	Higher bracing angle, leading to a stiffer, stronger build.
Complexity	Simple to lace; direction doesn't matter.	Requires careful attention to orientation during lacing.
Best For	Rim brake front wheels or standard builds.	Rear wheels and disc-brake front wheels.