DISC BRAKE ADAPTER, MA90, FOR 203MM ROTOR

Product Information

This Shimano MA90 series disc brake adapter is the precise component you need to increase your stopping power by upgrading to a larger rotor. Specifically, it allows you to mount a 203mm brake disc on a fork or frame that has a 180mm post mount direct standard. It’s ideal for riders looking to enhance braking performance on their mountain or E-MTB bikes, offering a straightforward solution to fit larger rotors.

Crafted from aluminum, this adapter is engineered for precision and durability, ensuring a secure and reliable connection between your frame/fork and brake caliper. Its lightweight, optimally machined design includes strategic cutouts to save grams without compromising rigidity or braking feel. The black anodized finish helps it blend seamlessly with most brake components and bike aesthetics.

Features

• Designed to adapt 180mm post mount frames/forks for 203mm disc rotors.
• Optimally machined aluminum construction with weight-saving cutouts.
• Anodized black finish for corrosion resistance and integrated look.
• Includes stainless steel mounting bolts for secure installation.
• Compatible with all Shimano 74mm post-mount brake calipers, including XTR M985/988 models.

Specs

• Model: SM-MA90-F203P/PM
• Adapter Material: Aluminum
• Screw Material: Steel
• Rotor Compatibility: 203mm (front or rear)
• Mount Type (Frame/Fork): 180mm Post Mount
• Mount Type (Brake Caliper): Post Mount