Bosch Performance Alloy Lock Ring Upgrade Kit

£16.99
1270016403
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This is for an upgraded alloy Lock Ring that holds the front sprocket spider onto the motor drive pinion on the Bosch Active / Performance Drive Unit.

Substantially tougher than the plastic nuts, although be careful not to cross thread the nut on the drive unit assembly.

For the 2014 / 2015 model Bosch eBike years.

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