SHIMANO ALIVIO Rear Derailleur RD-M3100-SGS 9-speed

Shimano Alivio RD-M3100-SGS Rear Derailleur

A 9-speed Alivio rear derailleur with a long SGS cage. Good for hardtails and commuter mountain bikes running 9-speed, including 2x and 3x setups.

Low-profile SHIMANO SHADOW RD design tucks it in closer to the frame and away from rocks. Takes up to a 36T low sprocket and has 45T total capacity. There's a cable adjustment barrel on the derailleur for quick tweaks. Not sure it fits your bike? Talk to us and we'll check.

Key Features

• 9-speed
• SHIMANO SHADOW RD low-profile design
• Long SGS cage, 45T total capacity
• Takes a 32T to 36T low sprocket
• Adjustment barrel on the derailleur
• 11T pulleys

Specifications

• Model: RD-M3100-SGS
• Series: Alivio
• Speeds: 9
• Cage: SGS (long)
• Chain stabiliser: SHIMANO SHADOW RD
• Top sprocket: 11T to 12T
• Low sprocket: 32T to 36T
• Total capacity: 45T
• Pulleys: 11T
• Chain: HG 9-speed
• Mount: Shimano direct attachment (conventional hanger)
• Cage plates: Steel
• Max. front chainring difference: 22T
• Cable adjuster: Yes

Specs can change without notice from Shimano.