@jfparis @ascentale @bikenite Thanks! After posting my question I stumbled across that website. It seems very comprehensive. I need to spend time to understand it!
What I've occasionally struggled with are electrical explanations which don't start from the perspective of 'if you want to do this, you will need [thing]', so your opening post in reply is really helpful.
I'm sure this has the potentially to get rather spendy!
@DurableAce @jfparis @ascentale @bikenite
I have just found out by chance that getting the bearings replaced on my dynamo hub can only be done by manufacturers and will cost close to £100 plus weeks to send to Germany via Somerset
As I normally do all maintenance myself this is a body blow.
If you're investigating different hubs to buy, this is definitely something to bear in mind. But important to note both my dynamo hubs are at 75k+ with no degradation yet
Nov 2, 2026, 11:14 PM@MatthewNewell @DurableAce @ascentale @bikenite
On the topic of serviceable, I have yet to send mine for service on 30k+ km
Also seen that one recently: https://www.kasai-tech.com/why-a-field-serviceable-dynamo-hub.html
@jfparis @DurableAce @ascentale @bikenite
I will probably ride till I notice something grinding then reassess the situation. Frankly the build quality makes me think those dynamos will out last me
@MatthewNewell @jfparis @ascentale @bikenite Is it a SON dynamo hub?
@DurableAce @jfparis @ascentale @bikenite
Yes. Son Delux. It's heavy, expensive, and uncompromising but bombproof.
I only carry tiny emergency battery powered lights so have to rely on my dynamo.
@DurableAce @jfparis @ascentale @bikenite you probably want to look at your night cycling time
Lidl lights will run for 3-4 hours on a charge
Weight 75g each, so 5 will see you through a full winters night ride
And just a pair will get you a long time in the dark
Nov 2, 2026, 11:22 PM@ColmDonoghue @DurableAce @ascentale @bikenite with all due respects, I believe you are missing the point of the dynamo: It is a plug and forget solution (not need to recharge it every 4 hours)