Hope

F-203 51mm Caliper Adapter

The Hope F-203 51mm Caliper Adapter delivers the precision and reliability riders expect from Hope. Designed for 2006 and newer 74mm-mounted calipers, this adapter ensures your braking setup is dialed for maximum control and stopping power—whether you’re running quick release or thru-axle forks.

Built to fit both front and rear International Standard (IS) and Post Mount (PM) applications, it’s the perfect solution when stepping up to a 203mm rotor for more braking muscle on steep descents or loaded rides. Simple, strong, and designed for riders who expect their gear to perform flawlessly mile after mile.

Key Features:

• Compatible with 2006+ Hope 74mm-mounted calipers
• Fits both QR and TA fork mounts with included spacers
• Works with front and rear IS and PM applications
• Enables upgrade to 203mm rotors for increased braking power
• Precision-machined for strength, alignment, and long-term reliability