Product details
Assembly tool / spider for BOSCH® Generation 2 lockring (BDU2xx)
Professional service for your drive: with this one Spider puller/assembly tool The locking nuts on 2nd generation BOSCH® motors can be loosened and tightened properly. Whether for changing the chainring or carrying out maintenance work on the main bearing - this tool is an indispensable accessory for every e-bike screwdriver.
Flexible application & variants
In order to be able to use the tool optimally with your existing equipment, we offer it in two versions. Please select the appropriate size when purchasing:
- 1/2" (Half Inch): Standard size for large ratchets and torque wrenches.
- 3/8": Ideal for medium-sized tools.
Compatibility – BOSCH® Generation 2 (BDU2xx)
This lockring tool is precisely tailored to the teeth of the following BOSCH® drive units from model years 2014 to 2019:
- BOSCH® Active Line (BDU2xx | 2014 – 2017)
- BOSCH® Performance Line (BDU2xx | 2014 – 2019)
- BOSCH® Performance Line CX (BDU2xx | 2014 – 2019)
- BOSCH® Performance Line Speed (BDU2xx | 2014 – 2019)
Assembly instructions
For a permanently secure connection, BOSCH® recommends a Tightening torque of 28-30 Nm. We recommend using a torque wrench to protect the delicate locking nut and motor thread from overloading.
Product data at a glance:
- Article: Spider tool / lockring puller
- Manufacturer: eBike-Doktor
- EAN: 0675834893939
- SKU: BOLOCKTOOLG2
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 spare part from the BOSCH® brand, but is compatible with the above-mentioned eBike motors of this sizerke.
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.
Assembly tool (spider) for locking nut (lock ring) – suitable for BOSCH Gen2 (CX, Speed)
Assembly tool (spider) for locking nut (lock ring) – suitable for BOSCH Gen2 (CX, Speed)
Company holiday until 17.09.2026: your order will be shipped from 18.09.2026.
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✓ Ordered the wrong part? Easy returns.
DHL shipping from Germany · 30-day returns
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