ProTaper D-Vice Stem Size:31.8mm This helmet is certified to

This helmet is certified to one or more of the following standards: EN 1078

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73% recycled nylon

ProTaper D-Vice Stem Size:31.8mm This helmet is certified toProTapers mission since its inception has been to maintain its products at the forefront of performance, guaranteeing the athletes who use its products an experience in the saddle befit of champions. The new D_VICE stem is another example of this philosophy applied to our DH stem solutions. Consistently looking to improve our best products, the DH stem underwent exhaustive development using stress analysis software to identify where excess material