Allows riders to place rear lights on various locations in both horizontal and vertical orientations. The shortest claimed run-time is a useful 5hrs, and that's pretty accurate – surprisingly it's not for the eyeball-grilling 300lm 'Daytime Hyperflash,' which can signal nearby planets (probably) for up to 10hrs, but for the 30lm Constant mode. It's hard to tell exactly, as looking at this straight on can literally make your eyes hurt, but Group Ride appears to switch each LED between two brightnesses, and leave either two dim or one bright one on at all times. Thus it's never fully dark, and consequently easier on the eyes (I was looking from the side, in case you were wondering...).

The four modes are: Daytime Hyperflash, 100 lumens (15 hours); Constant, 15 lumens (5 hours); Flashing, 10 lumens (70 hours); and 'Group Ride', a pulsing 35 lumens. Or buy a Rotlicht instead, where you can replace (and recycle) an exhausted battery. I'm getting the sense that you can't do that with the Cateye? I shunned the 30lm Flashing mode (though it lasts a claimed 45hrs) as the flashes are such short bursts, and the pace just high enough to make it look (at least to me) like it'll almost instantly annoy following drivers. But it sure is a pain to fit. Plus, given the length of the charging cable included, there isn't much scope for just leaving it attached to your bike when topping it up. Cycle Centre Congleton Limited 2021. Cyclestore is a trading name of Cycle Centre Congleton Limited. All Rights Reserved Company No. 05107467 | VAT No: 593 733 507

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One thing I did notice though is still the use of micro USB. With the move of many electronics now to USB C, it would be nice to see companies making this change on bike lights as well. Plus with the higher potential power draw for faster charging, there is an additional upside beyond just being able to plug the cable in either way up. Of course the Mini and the Micro are nowhere near the blinding output of the Viz 300. But having owned a Micro and still do. Even 25 lumens can be pretty blinding and dont ask me how I found that out. (just dont look directly at it and turn it on) Steve described this mode on the Viz 300 as luridly chaotic and it is – it's not just the bonkers output of those bright flashes but all the various rapid strobing that's going on at the same time, which makes this hard to ignore. Following behind this light in the daytime, I found that from around 100 metres it was very effective at being impossible to miss (and not overly bothersome) but from 10 metres it was pretty irritating. I didn't ride with this mode at night, so cannot report the thoughts of other road users. I would only use this mode if I was doing a lot of riding on fast A-roads in the daytime, and it would make me feel safer in that specific environment. But you can use standard AAA batteries with Cateye's inexpensive Omni and LD610 rear lights, which are still available. Positioning it vertically has a small but palpable edge, especially at junctions, negotiating roundabouts and just performing turns in the road – particularly so when I've tethered it to my low-slung trailer. Though it has a smaller surface area than I'm usually comfortable with attaching to a trailer or tagalong, the daytime mode more than compensates, especially in such contexts.

I found the final mode – Group Ride – the most useful. At 100lm it's bright but not tactical nuke bright, and it's actually easier on the eye than the dimmer flash as it always seems to leave something lit. The Cateye AMPP 100 Lumen Front Bike Light is a solid option for riders looking for the perfect combination of lumen output, weight, and price Very few brands sell lights with removeable/replaceable batteries any more. Environmental concerns aside, this transition is understandable as lithium powered units are so small and efficient and stay charged longer than NiMh (great for infrequent use) while the casing only needs a charge port and no battery door, which should mean that they are more water-resistant.

Cateye Volt 1700 USB Rechargeable Front Bike Light

Minor niggles aside, the specification and performance are favourable and the price is good, although there's still a fair bit of competition. ViZ100] φ21.5-32.0mm. Fits up to 130mm outer circumference. (SP-15) Recharge/discharge number of times： about 300 times（until the rated capacity drops to 70%） Water resistant： [AMPP200] IPX4 The Cateye Viz 100 is a good rear light that covers most bases well. The only thing that merits some revision, to my mind, is the strap. Verdict Cateye's previous Rapid range of rear lights offered excellent all-round visibility using a line of LEDs that were visible from the sides and the rear. I still have some that I tested six years ago and they still work fine, which is a decent innings – other brands' lights have not lasted nearly as well. The 15-lumen steady is up to the job of built-up areas; I seemed to register on friends' radars at 70-80 metres. Run-times