The Tektro A4 IS/PM Adapter 180mm rear is a high-quality disc brake adapter that is specifically designed to fit a Post Mount (PM) brake caliper to a bicycle frame with an International Standard (IS) rear mount. This adapter allows the use of a 180mm brake rotor, which provides improved braking performance and better heat dissipation during intensive use. Key Features:

Compatibility: Suitable for mounting a Post Mount brake caliper to an IS frame at the rear.

Brake disc size: For 180 mm brake discs.

Material: Made of durable aluminum - strong, lightweight and corrosion resistant.

Weight: Only about 71.5 grams.

Mounting: Includes four mounting bolts for easy installation. Whether you are looking to improve your braking performance for mountain biking or are looking for a replacement, this adapter offers a sturdy and secure solution. Perfect for those looking to upgrade their bike with more powerful braking performance without sacrificing weight.