Magura Adapter QM 45, PM 180-220/PM 140-160

Magura Adapter QM 45 – Practical Postmount Adapter for Bike Brakes

The Magura Adapter QM 45 is a specially designed adapter for mounting Postmount brake calipers on various bicycle frames. It offers flexibility in choosing the brake disc size and is suitable for both front and rear wheels.

• Enables mounting of Postmount calipers on frames without direct Postmount threading
• Supports brake disc sizes from 180–220 mm and 140–160 mm – ideal for different applications
• Fits front and rear wheels, simplifying inventory management
• Precision-machined aluminum for lasting braking performance and low weight
• 24-month manufacturer’s warranty provides added investment security

What sets the Magura Adapter QM 45 apart

The adapter features two bolt circles (PM 180–220 and PM 140–160) covering the most common disc sizes. This allows a brake caliper to be flexibly adapted to different frames and disc sizes. The high-quality aluminum construction ensures rigidity and corrosion resistance.

Ideal for...

This adapter is optimal for mountain bikers and road cyclists who want to configure their braking system individually. It is also a practical solution for bike workshops and DIY mechanics working with various frame types.

How to use the Magura Adapter QM 45

Mount the adapter between the frame and brake caliper. Choose the appropriate bolt circle according to disc size (180–220 mm or 140–160 mm). Ensure correct orientation for front or rear wheel. Tighten the mounting bolts to the specified torque (bolts not included).