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Bosch eBike Lock Ring with O-Ring Option - Active & Performance

From 6.90€ * RRP 7.90€ * (12.66% Saved)

Prices incl. VAT plus shipping costs

  • 2011-001
  • 1270016428
  • 4047025332279

Bosch O-Ring Option:

The Bosch Gen2 e-bike lock ring made of aluminum for Active and Performance Line drives (from... more

The Bosch Gen2 e-bike lock ring made of aluminum for Active and Performance Line drives (from 2014) is required when mounting a chainring. Since it is an original Bosch spare part, it is 100% accurate fit.

The Bosch aluminum lock ring must be used according to manufacturer specifications since mid / end of 2015 always in combination with the matching O-ring. This O-ring can be ordered separately to the product and protects the locking ring from loosening by itself even if the torque of the ring is not applied exactly.

What must be observed when working on the drive and when loosening the Bosch locking ring?

  • You can also find the lockring tool and the sprocket remover required for assembly and disassembly from us.
  • With greased aluminum ring, the correct tightening torque is 20-25Nm.
  • The new lockring design allows the use of a 14-tooth chainring.

If the Bosch e-bike chainring lockring is defective, you can use the Bosch lockring to replace the defective part again with an original Bosch part.

The optional O-ring is also separately available here.


Bosch System: Bosch Active Line Gen2 (BDU2XX), Bosch Performance Line CX Gen2 (BDU2XX), Bosch Performance Line Gen2 (BDU2XX), Bosch Performance Line Speed Gen2 (BDU2XX)
Drive system: Bosch drive
Manufacturer: Bosch
Item: Bosch E-Bike Locking Ring Aluminium
Scope of delivery: 1x aluminium locking ring incl. rubber O-ring
Compatibility: Bosch E-Bikes with Active and Performance-Line drive from 2014 onwards
Maker's ref. no.: Lock ring: 1270016428. O-ring: 1270014024
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