The Bosch Spider for BDU4XX drive units is a direct mount component designed to connect your chainring with precision and reliability. Featuring a 104mm BCD and a sleek black finish, this spider is built specifically for Bosch mid-drive ebike systems, ensuring optimal drivetrain performance and durability.

FEATURES
SPECS

FEATURES:

• Genuine Bosch direct mount spider for BDU4XX drive units
• Standard 104mm BCD for chainring mounting
• Durable black finish for a clean, integrated look
• Designed specifically for ebike applications

SPECS:

• Color: Black
• Chainring BCD: 104
• Designed for ebike: Yes
• Defined Color: Black