The M525 is a purpose built, full carbon fiber XC wheel that’s lighter, wider, and more vertically compliant without sacrificing strength or reliability. Additionally the M525 features ENVE’s patent pending wide, hookless beads that improve pinch flat resistance and allow riders to run modern light weight XC tires, reducing the risk of pinch flatting or impact damage. KEY TECHNOLOGIES Wide Hookless Bead 50% improvement in pinch flat resistance over other hookless rims Protection without the need for inserts Ability to run lower tire pressure and improve traction and rolling resistance The option to run lighter weight tires if desired Greater impact resistance LIFETIME INCIDENT PROTECTION AND 5 YEAR WARRANTY As a member of the Family and the original owner of your ENVE product, you'll qualify for ENVE’s Lifetime Incident Protection and have access to ENVE's industry-leading 5-Year Limited Warranty.