Following recommendation of @berlinonaut I've decided to go ahead with SON hub, front and rear lights.
Had to order all three from 3 different retailers paying extra for shipping. I guess Covid broke everyone's supply chain.
SON XS with wheel, Edelux II for front and SON rear lights. Tested today, even though in the rain it lit the front of the bike adequately. Took me some time to change the wheels/tires and install everything but it was fun and I truly enjoyed it. Permanent solution, no batteries to think about anymore. Back stock reflector of Brompton (cateye) didn't really fit as it was too wide and heavy. SON Adapter Plate that I've used is designed for BUSCH + MÜLLER Rear Reflector 313/3Z which is less wider.
Even though fit was tight, the front reflector did fit.
Pictures of lights are in standby low mode from capacitor, pretty hard to snap a picture of dynamo light while riding
Very pleased so far.

Had to order all three from 3 different retailers paying extra for shipping. I guess Covid broke everyone's supply chain.
SON XS with wheel, Edelux II for front and SON rear lights. Tested today, even though in the rain it lit the front of the bike adequately. Took me some time to change the wheels/tires and install everything but it was fun and I truly enjoyed it. Permanent solution, no batteries to think about anymore. Back stock reflector of Brompton (cateye) didn't really fit as it was too wide and heavy. SON Adapter Plate that I've used is designed for BUSCH + MÜLLER Rear Reflector 313/3Z which is less wider.
Even though fit was tight, the front reflector did fit.
Pictures of lights are in standby low mode from capacitor, pretty hard to snap a picture of dynamo light while riding

Very pleased so far.








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