(11-12-16, 05:25 PM)topgun44 link Wrote: These are the new update these have little fan in back keep the led cool ?That was one of the problems with the 1st gen LED replacement bulbs, the fan was not weather or waterproof (so IMHO making the whole assy pointless). The new 5th gen units are passively cooled, so no fan to get wet & become faulty etc.
When I went out to empty the bin, I sat on the bike and even though the road was wet - I was getting an impressive amount of light. The real test will be the ride back through London and then up the M1....