Shimano SM-MA90-F180P/S Disc Brake Adapter Post Mount 180 mm

The Shimano SM-MA90-F180P/S is a genuine Shimano adapter designed for mounting Post Mount brake calipers with 180 mm disc rotors.

It ensures proper brake caliper positioning and alignment for reliable braking performance and compatibility with MTB and road disc brake setups.

The aluminum construction provides lightweight performance, durability and stiffness even during demanding braking conditions.

Key features

• Genuine Shimano adapter
• Compatible with Post Mount brake systems
• Designed for 180 mm rotors
• Precise brake caliper alignment
• Lightweight and durable construction
• Suitable for MTB and disc road bikes
• Simple and secure installation

Function and use

The adapter allows the use of larger 180 mm rotors on compatible forks and frames, improving braking power and heat dissipation compared to smaller rotors.

It is particularly suitable for trail MTB, light enduro, e-bikes and demanding riding conditions where increased braking performance is needed.

Compatibility

• Shimano Post Mount brake calipers
• 180 mm disc rotors
• MTB and road disc bikes
• Compatible Post Mount frames and forks

Technical specifications

• Brand: Shimano
• Model: SM-MA90-F180P/S
• Type: disc brake adapter
• Standard: Post Mount
• Rotor compatibility: 180 mm
• Material: aluminum
• Use: MTB / Road Disc

Why choose it

• Genuine Shimano replacement
• Accurate brake caliper positioning
• Compatible with 180 mm setups
• Lightweight and durable
• Ideal for brake performance upgrades