Shimano Alivio M3100 9 Speed Rear Derailleur

Upgrade your mountain bike performance with the Shimano Alivio M3100 9 Speed Rear Derailleur. Built for precision and reliability, this derailleur offers smooth, consistent shifting even on rough terrain. Its low-profile Shadow RD design keeps it protected from damage while maintaining fast and accurate gear changes for a superior riding experience.

Key Features

• 9-speed compatibility for smooth and responsive shifting

• Durable aluminum alloy construction with a low-profile Shadow RD design

• Supports cassettes up to 36 teeth

• Six sealed bearings for stable performance

• Compatible with 7–12 speed cassette systems

• Works with both quick-release and thru-axle setups

Why Choose Our Shimano Alivio M3100 9 Speed Rear Derailleur
This derailleur delivers professional-grade performance at an accessible price. Its Shadow RD design reduces chain drop and damage while enhancing shifting accuracy. Perfect for trail riders, commuters, or anyone upgrading their mountain bike drivetrain.

Perfect For

• Mountain bikers looking for reliable, smooth shifting

• Cyclists upgrading from entry-level drivetrains

• Riders who need durability and precision

• Off-road and everyday cycling