Assembly tool / spider for BOSCH® Generation 4 & Generation 3 lockring

Precise work on the drive: With this high-quality Spider assembly tool Installing and removing the locking nut on your BOSCH® motor is effortless. The tool is designed to safely transmit the high torques without damaging the lock ring.

Flexible drive options

So that you can use the tool optimally with your existing equipment, it is designed for different drives:

• Open-end or ring wrench: Suitable for wrench size 32mm.
• Ratchet / torque wrench: Available for 1/2" or 3/8" drive.
• Variants: When purchasing, please select the appropriate size (1/2" or 3/8") for your tool above.

Compatibility – BOSCH® Generation 3 & 4

This lockring tool is precisely tailored to the teeth of the following BOSCH® product lines:

• BOSCH Performance Line CX (Generation 4 | from model year 2020)
• BOSCH Performance Line CARGO (Generation 4 | from model year 2020)
• BOSCH Performance Line SPEED (Generation 4 | from model year 2020)
• BOSCH Active Line Plus (Generation 3)
• BOSCH Active Line (Generation 3)

Important note: This tool is NOT suitable for BOSCH® Generation 1 (Classic+) and Generation 2 (model years 2013-2019).

Assembly instructions

The tightening torque is printed on the lock ring. If it is missing, the chainring manufacturer KMC specifies 35 Nm. We strongly recommend using a torque wrench to protect the thread and lock nut.

Product data at a glance:

• Article: Spider puller / lockring tool
• SKU: BSPIDG4
• Material: High-strength tool steel

Legal notice: The BOSCH® trademark is legally protected and is only used here because it describes the compatibility of this product. This item is not an original replacement part from the BOSCH® brand, but is compatible with the above-mentioned eBike motors from this brand.

Manufacturer information (product safety): Olaf Berens – eBike-Doktor, Mühlenberg 10, 48734 Reken, Germany, email: info@eBike-Doktor.de. Safety note: This product is intended for professional installation or intended use in accordance with the manufacturer's instructions.