Chainring guard for 1 X 10/11-speed Sram cranks. Integrated spider with bashring replaces the spider on Sram XX1, X0, X9 and X1 GXP cranks. For use with Blackspire Monoveloce-WP 80BCD chainrings. CNC'd 6061 T-6 aluminum Anodized with laser etched graphics Size: 26T to 28T max Weight: 91g (28T max) BCD: 80