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The Millennium Fit system offers a precise fit by measuring foot length in centimeters-from heel to big toe-delivering superior stability
ensuring your feet stay protected in challenging terrains
providing excellent grip and control on ski poles or snowboard handles
Optimize your single-speed setup with the Surly Single-Speed Kit
The sturdy construction withstands rigorous riding conditions
Boyd Skyuka Freehub Body with Hyperglide for Easy Hub Compatibility JAL/JAL2/JAL3//JMN/JMN2/JMN3//JNY/JNY2//JTX/JTX2/JTX3//JCO/JCO2/JCO3//JFL/JFL2/JFL3//JNC/JNC2/JNC3/ The Millennium Fit system offersUpgrade your cycling experience with the Boyd Skyuka Freehub Body, Hyperglide the perfect replacement component designed for smooth, reliable performance on your mountain bike or gravel rig. Engineered with precision and built for durability, this swappable freehub body maximizes your wheels' compatibility and efficiency. High Performance Materials & Engineering Constructed from premium, heat treated aluminum alloy, the Boyd Skyuka Freehub Body
