By: BikeSpark
Get the G4 Auto-Sensing Rear Light. Are you looking for the best bike taillight on the market? Look no further than the BikeSpark G4 Auto-Sensing Rear Light. This superbright 50lm taillight is made in Taiwan and offers an IPX4-50/80mm Quick Mount. Its large reflector ensures maximum brightness and visibility. Plus, it's powered by AAA battery and is compatible with cargo carriers. Enjoy top-notch brightness, build quality, color, and customer support when you shop at the BikeSpark Store. Get your G4 Auto-Sensing Rear Light today!charlie: Excellant when riding with other riders !
Canada on Jul 27, 2023
Dr. Wyre Moore: The unit installed easily and worked for about 10 riding hours, passed the return window. I contacted the mfg directly, and they were very responsive. The unit was promptly replaced with a usb version
I highly recommend the usb version
There were problems with the battery version, which I missed in comments and feedback. My fault.
Aldo highly recommend this mfg for their support and integrity!! Overall would buy again, the usb version.
United States on Jul 26, 2023
Nicolas: N'a pas tenu plus d'une semaine avant de tomber en panne je déconseille
France on May 22, 2023
MJMJ: First of all, their customer service is stellar! Had an issue with the first one, and they immediately sent out a new one. No long drawn out process or hassle, just fast action. Had the replacement within a few days. As for the light itself, outstanding! Super bright, easy to install and operate, and great battery life. Very happy with my purchase, and especially with this seller. Highly recommend both!!
United States on Oct 12, 2022
T HayneT Hayne: Seems pretty well made. Looks bright when light is on. Does the brake light function work? I may never know. It is on the back of a motorized tandem so I can't see it activate. Installation was tricky. I had to get creative. MOST bike racks do not have the 2 hole mount that this requires. I used strapping that usually holds up ductwork.
United States on Jul 07, 2022
Kron: Problèmes:
Montage difficile: les vis disparaissent à l'intérieur du boîtier avant d'être touché.
Le bouton allumage introuvable dans le noir, de plus une fois retrouvé exige une pression forte pour actionner.
Etanchéité problématique
France on Jun 26, 2022
Garry Lash: easy to install, very light
Canada on Apr 25, 2022
Ben VeenkampBen Veenkamp: I bought this light more for it's ability to indicate to people behind me that I'm braking and it works really well. It's very reflective when not turned on so when the "brake light" appears (and it does) when I'm coming to a stop it lights up bright enough for day and night. It fits perfectly on my rear rack with no protrusion. It just looks as though it belongs there.
It would have been nice if it was USB rechargeable, but then I suppose having to use 2 x AAA batteries instead means the light will probably last for years longer (ie: I won't have to throw it away when the rechargeable battery doesn't hold a charge anymore). I read a couple of review about the batteries popping out when going over a bump so I just used a little gaffa tape over them and that works well.
Australia on Jul 18, 2021
S. Tucker: I've had this light a few weeks now and I ride everyday at least 5 miles for work. I was concerned with the quality level but so far it hasn't broken or popped out of the bracket, it might still do that. It's light but not that study. The light replaces the standard reflector that came on my Giant ebike rack/battery mount and so it's visible when I put cargo on the rack, which is why I got it. It fits perfectly and is basically the same exact size. I use rechargeable batteries and it's easy to remove half the light to swap batteries but it could end up breaking or falling out after repeated daily use over time, maybe not. The batteries don't stay in the tray, the roads I ride are paved but lots of bumps. (very hilly and rainy with lots of cars makes for many pavement breaches) Probably wouldn't work "as is" for gravel riding. On the bike path the batteries stay in place better. I can't tell if the brake light really operates properly but the bright mode is great after dark and the daytime mode does prolong battery life. The battery life is good. Auto shut-off works. It is highly water resistant, I have used it in heavy rain. If it works like this for a few years or more it's great...
United States on Jan 08, 2021
BikeSpark G4 Auto-Sensing Rear Bicycle Light | Apace Vision Bike Tail Light: USB Rechargeable and Illuminating Safety Feature | Leyic USB Rechargeable LED Bike Light Set – Ultra Bright Front and Rear Bicycle Lighting Combo | |
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B2B Rating |
79
|
98
|
97
|
Sale off | $4 OFF | $1 OFF | |
Total Reviews | 99 reviews | 451 reviews | 267 reviews |
Item Dimensions LxWxH | 1.73 x 1.19 x 4.25 inches | ||
Brand | BikeSpark | Apace Vision | Leyic |
Manufacturer | J-MEX Inc. | Apace Vision | Leyic |
ASIN | B0841WCYQZ | B07V1KD6ZH | B086ZRY98R |
Brightness | 50.00 | 100 Lumen | |
Best Sellers Rank | #623,562 in Sports & Outdoors #536 in Bike Taillights | #51,456 in Sports & Outdoors #78 in Bike Taillights | #277,361 in Sports & Outdoors #302 in Bike Taillights |
Item Package Dimensions L x W x H | 4.76 x 4.25 x 2.24 inches | 4.53 x 3.15 x 1.46 inches | 5.2 x 2.72 x 1.34 inches |
Brand Name | BikeSpark | Apace Vision | Leyic |
Customer Reviews | 3.9/5 stars of 569 ratings | 4.7/5 stars of 2,919 ratings | 4.6/5 stars of 1,487 ratings |
Number of settings | 3 | 7 | 6 |
Date First Available | January 19, 2020 | July 8, 2019 | April 11, 2020 |
Auto Part Position | Rear | Rear | Front |
Color | Red, Black | Red | Red |
Package Weight | 0.12 Kilograms | 0.12 Kilograms | 0.07 Kilograms |
Mounting Type | Frame Mount | Seat Mount | Seat Mount |
Part Number | 4711404680113 | GP100-UTL | Q2 |
Water Resistance Level | Water Resistant | Waterproof | Waterproof |
International Protection Rating | IPX4 | IPX5 | IPX5 |
Power Source | Battery Powered | Battery Powered | Battery Powered |
karen bryant: I purchased 2 of these in April 2023 and by October 2023 both would no longer power on even with fresh batteries. I'll be replacing them with something more high quality. Really disappointed because I really liked how they worked and looked when they actually worked.
United States on Nov 30, 2023