We guarantee you'll spin better. You see, when an ordinary frame is made, the bottom bracket shell distorts as it is welded, causing bearing drag and friction.

But Merlin starts with an extra-thick custom-drawn shell to prevent distortion. Then we align-bore, thread and face the shell after we weld.

The result: Perfect alignment, perfect concentricity, and a central axis that is exactly perpendicular to the frame. Our system also guarantees smoother adjustment, longer life, less weight, and less friction--with any bottom bracket, whether cartridge or conventional.

Why waste energy on anything less?

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