Carbon-Ti X-Fix X-Ring EVO ultralight chainring bolts kit which contains 4 males (M8x0.75) with standard lenght (7 mm). 7075T6 Aluminium CNC made with T30 torx hex insert, only 3.6 grams weight. Available in several anodized colors with Carbon-Ti laser engraved logo. It's a specific kit for X-Ring EVO BCD 104 mm chainrings and, as all Carbon-Ti products, are 100% Made in Italy.