FSA Spider for Bosch Gen3 E-Bike

The FSA E-bike Bosch Gen3 spider is the aluminum mount for the chainring on the crankset. It is designed for e-bikes with a third-generation Bosch motor.

• Lightweight: weighs just 54 - 56 g and is made of 6061 aluminum
• Compatible with Bosch Gen 3, Active Line, and Performance Line motors
• 104 mm BCD chainring mount with V-Shape mounting
• 50 mm chainline for non-boost or 53 mm for boost
• Before ordering, check that your Bosch system is compatible

Technical specifications

• Material: 6061 aluminum
• Weight: 54 - 56 g
• Chainline: 50 mm (non-boost) and 53 mm (boost)
• BCD: 104 mm
• Color / finish: Anodized black, pearl-blasted finish
• Compatibility: E-bike with Bosch Gen 3 motor
• Bosch systems: Active Line 2018 - 2023, Active Line Plus 2018 - 2023, Active Line Plus from 2024 Smart System, Active Line from 2024 Smart System, Performance Line 2018 - 2023, Performance Line 2023 - 2025 Smart System
• Mounting: V-Shape