Brompton G Line Electric Derailleur Chain Tensioner
This is the chain tensioner for the following Brompton folding bikes:
- 4 speed Brompton G Line electric
This is not compatible with the G Line, or A, C, P or T line Brompton bicycles
This chain tensioner is for the Brompton G Line electric folding bikes with 4 speeds and includes the following parts:
- The GE Derailleur Chain tensioner x 1
Fitting instructions:
Firstly remove the chain tensioner as follows:
Disengage the chain tensioner to loosen the chain.
Remove the rear wheel by undoing the bolts using a 17mm Spanner
Remove the chain tensioner by removing the counter sunk screw using a 5mm Allen (hex) key
Installation instructions:
Place the chain tensioner into position on the rear frame dropout.
Insert the counter sunk nut in the hole on the inside of the rear frame dropout.
Screw the counter sunk screw into the counter sunk nut while holding the chain tensioner. Then tighten to 5Nm.
Brompton Q part code: Q103152
Brompton data sheet reference: ds:dr4
Introduced by Brompton in 2024 with G Line electric 4 speed bike