FSA Spider for Bosch Gen3 E-Bikes

The FSA E-bike Bosch Gen3 spider is the aluminium support onto which the crankset chainring is mounted. For e-bikes with a third-generation Bosch motor.

• Lightweight: weighs just 54 - 56 g, made from 6061 aluminium
• Suitable for Bosch Gen 3, Active Line and Performance Line motors
• Chainring attachment with BCD 104 mm and V-Shape mounting
• Chainline of 50 mm non-boost or 53 mm boost
• Before ordering, check that your Bosch system is compatible

Technical specifications

• Material: 6061 aluminium
• Weight: 54 - 56 g
• Chainline: 50 mm (non-boost) and 53 mm (boost)
• BCD: 104 mm
• Colour / finish: Anodised black, pearl-blasted finish
• Compatibility: E-bikes with a 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