Carbon-Ti X-Spider Carbon X-Truvativ, ultralight carbon fiber spider for cranks with removable spider and Truvativ/Sram standard (XX1 Eagle, X01 Eagle, XX1, X01, X0) and 0 offset optimized for BB30 axles. BCD 76 mm chainrings fitting. With only 13 gr. weight allows to save a lot of weight (more than 50% from stock one) and a very simple and fast chainring replacement (only 4 bolts without disassembling the crankset). 3k carbon matte finishing, 100% Made in Italy.