Use this guide to determine what spacers you need for your Cane Creek bottom bracket. This guide specifically details the spacers needed when pairing eeWings with any of our Hellbender bottom brackets. https://cdn.shopify.com/s/files/1/0579/5987/4639/files/Chainring_Chainline_and_Crank_Spacer_Setup_Guide_revA.pdf?v=1768589126