Bosch Chainring Locking Nut BDU4XX / BDU37YYY / BDU31YYY

Original Bosch locking ring for securely fastening the chuck to the motor shaft on 3rd and 4th generation Bosch systems.

Reverse-threaded

Compatibility

This lockring is compatible with the following Bosch motors:

• BDU4XX (Performance Line CX Gen4)

• BDU37YYY (Performance Line Gen3)

• BDU31YYY (Active Line / Active Line Plus Gen3)

Technical specifications

• Bosch reference: EB11.200.0JH-VEO

• Original Bosch product

• Manufactured in Czech Republic

• High resistance material

• Easy installation

Remark

This ring is essential to secure the chainring correctly and to ensure the proper functioning and durability of the drive system.