FSA chainring E-BIKE DM boost 148 GEN3 32T - WB437

FSA chainring E-BIKE DM boost 148 GEN3 32T - WB437

FSA E-BIKE DM Boost 148 GEN3 chainring

The FSA E-Bike DM Boost 148 GEN3 chainring is designed for modern e-bikes with FSA System HM / GEN3 motors. It offers high durability, precise engagement and an optimised tooth profile for smooth chain running even at high motor torque. The Boost 148 variant ensures the correct chainline for frames with a wider rear end.

Features and benefits:

• Compatible with FSA E-Bike GEN3 motors – direct attachment using the Direct Mount (DM148) system.

• Boost chainline (148 mm) – ideal for modern frames with a wider rear end.

• CNC-machined aluminium AL7075/T6 – high stiffness, durability and low weight.

• Narrow-Wide tooth profile – prevents the chain from dropping, ensuring quiet and smooth running.

• Optimised for 11 and 12-speed systems.

• Black anodised finish with a laser-etched FSA E-BIKE logo.

Technical specifications:

• Model: FSA E-Bike DM Boost 148 GEN3

• Mounting type: Direct Mount (FSA GEN3 DM148)

• Compatibility: FSA E-Bike GEN3 motors

• Chainline: Boost 148 mm

• Number of teeth: (to be completed according to variant – 38 / 40 / 42T)

• Material: AL7075/T6, CNC-machined

• Tooth profile: Narrow-Wide

• Finish: black anodised

• Weight: approx. 100–120 g (depending on variant)

Use and recommendations:

Suitable for e-bikes with an FSA GEN3 drive, where the rider demands maximum precision, quiet running and durability. Ideal when replacing a worn chainring or upgrading the drive to a different number of teeth.