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A new grade of stainless steel enables Sapim to reduce the diameter of the spoke, whilst increasing its strength and fatigue resistance. Effectively, the CX-Super is 17% lighter than the CX-Ray and its strength is increased by 120N in the middle section versus that of the CX-Ray.
Despite the spoke hole problem, I guess the super cx ray is better and stiffer in description?
kevincx3-
I guess the super cx ray is better and stiffer
It can't be stiffer, for practical purposes all steels have the same elastic modulus.
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The stiffness of a spoke though is dependent on its cross sectional area. A very stiff rim would have to be used if super CX spokes are used. Given the expense of the spoke though I dont think they are worth it. Weight saving is not huge.
gbj_tester
thecycleclinic
Don't, especially on a rear wheel. The weight saving is irrelevant, certainly not enough to make up for the reduction in stiffness and durability. Use regular CX-Ray and your worries about the spoke hole diameter disappear too.