Introduction

The SunRace RD-M37 is a 7-speed rear derailleur designed for mountain bikes, offering reliable performance and durability. Its long cage design accommodates a wide range of gears, making it suitable for various riding conditions.

Key Features:

• Compatibility: Designed for 6 and 7-speed mountain bike drivetrains.

• Construction: Made from a combination of engineered polymer and steel, ensuring a balance between lightweight and strength.

• Mounting: Direct mount design, with an optional hanger included for added versatility.

• Capacity: Maximum sprocket size of 30 teeth and a total chain wrap capacity of 37 teeth.

• Cable Pull Ratio: 2:1, compatible with various shifter types.

• Weight: Approximately 270 grams.