The holder of the front light is not as good as in the 750. Probably Trelock has since operated facelift. In comparison, the holder of 450 sits in front of or behind the handlebars instead of on the clamping force is slightly lower than the big sister. This lever is slightly larger and connected to the lower clamping force can move the lamp lighter than the LS 750th
The LS 450 is already clear, nevertheless remains to be seen how the changing lever ish at Rüttelstrassen noticeable.
4 AAA cells are not optimal. Compared, the 750 3x AA. A AAA cell holds about a 900mAh AA 2400mAh against it. (Both Turnigy Low Self Discharge)
Taking the voltage of 6 vs 4.5V to the LS 450 has about 5.4 Wh, the LS 750 on the other hand 10,8Wh. a cell more, still plugged only half of useful energy in the LS 450th
The taillight:
The taillight swallows 2x AAA cells ... so standard in comparison to the LS 710. The processing is roughly equal (shaky).
Unfortunately, the holder of 320 does not like that of the 710 with a screening at the angle adjustment.
There are better taillights, but as we are dependent on frame assembly and narrow design who has not so much choice.
one of the two taillights had a fault, it glows in the off-state. Annoying, but something happens with all manufacturers.
In summary, I will choose another manufacturer next time. The difference in price 750-450 is not the 750 due to the lower light output or the charging function .... the complete processing and mounting the 450 is inferior to the big sister model. The price is more than 20 as long as there is no buy recommendation but the Council forwards to the LS 750 and the rear to take up a taillight free choice.