- Alfine DHS700 – reviews?
I’ve been looking at building up a hub dynamo for the commuting/training bike and I can’t seem to see past the following:
Bearing in mind I already have spokes and rim sorted, is there really anything better for the money? It’ll be going on my commuting/training road bike which I ride 14 miles each way on to work and back.Posted 4 years agoBrother_WillSubscriber
The hubs quite low for wattage you need to be looking at 3w, I’d look at rose bikes the prices are a lot better and they have a wider selection, I have the same front light you are looking at there, the senso feature is a bit of a gimmick and not really worth paying extra for. Rose had the senso on offer so I got it for the Same price as the normal one.Posted 4 years ago
I had this same dilemna recently, it drove me a bit crazy. Basically what I found out is that 1.5w seems to be the new standard, as the old 3w standard was pushed for by the German government back in days when you really needed 3w to power the old tungsten lights. The new LED lights are obviously much more efficient, but also much brighter. I found it very difficult to get any more info than that, and certainly not anything usefully specific re power consumptions etc.Posted 4 years ago
Fwiw I went with a shimano 3w xt hub and b&m lights from Rose bikes, it all came to around £100 and I’ve been really, really happy with it all.
I’ve found this site to be useful:Posted 4 years agoCraigWMember
Worth going for the IQ Cyo Premium, its a fair bit brighter than the regular IQ Cyo, and a much wider beam.
I think you might as well get the Senso version, so you don’t need to worry about switching it on or off. Plus its cool if you go through a tunnel and it lights up.
I think the 1.5W hub would work, but you would have to be going faster for the light to get to full brightness. Might as well get a 3W hub, its not much heavier and hardly any drag anyway.
Yes, much cheaper buying it all from Germany. ie Rosebikes or Bike24 etc are good. Rose can do custom wheel building as well.Posted 4 years agocookeaaSubscriber
Both for about for ~£32 posted to the UK (although the shopping list would probably end up with some lights and other stuff added).
Both claim to be 6V/3W, what am I missing as they seems to be relatively cheap and every other 6V/3W Disc compatible hub I’ve looked at up to now seems to have been about £50 or more…Posted 4 years agoDaffySubscriber
cookeaa – Member
what am I missing as they seems to be relatively cheap and every other 6V/3W Disc compatible hub I’ve looked at up to now seems to have been about £50 or more…
That they’re almost twice the weight of a PD8 and are poorly sealed by comparison. They also have a mahoosive cross section…if you’re at all bothered by aero…Posted 4 years agocookeaaSubscriber
That they’re almost twice the weight of a PD8 and are poorly sealed by comparison. They also have a mahoosive cross section…if you’re at all bothered by aero…
Weight – not an issue.
Aero – not an issue.
Poor sealing? – just How poor? The hub would be going on my fixed road commuter, would a liberal smearing of marine grease under the seals prolong bearing life?
TBH I am more concerned about the hub’s leccy generation capabilities, I would want to run both a front and rear light off of this hub…
I must say I am tempted to Just try it out, and as if by magic, a mate has just offered me the old wheels off his own fixie so I could rebuild The front with one of those hubs in time for winter duties… Already got a kaffenback disc fork going spare in the garage, the planets are aligning for me it seems…Posted 4 years ago
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