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100G Smart Tech was founded to bring some lightweight innovations to electric bike and let more people enjoy the fun of e-cycling. 100G is one of the leading manufacturers of complete electric drive systems for eBike and has been developing eBike solutions since 2016.
Written by the business, not verified by us.100G (100g.tech) has a 4.4 out of 5 rating on OK.one, based on 291 user reviews collected here. It is listed under Vehicles & Transportation and its reputation is good. 87% of reviews are 4 stars or higher and 6% are 1 star; The business has replied to 96% of negative reviews; Reviews mostly discuss Product, Quality. Last updated 2026-10-24.
Reviewers overwhelmingly had a great experience with this company. Customers genuinely and consistently appreciate the straightforward installation process, detailed instructional videos, and the exceptionally responsive customer support team. Many people mention that the ebike conversion kits work wonderfully, providing a very reliable and practical solution for daily commuting needs. Some reviewers were not completely happy with occasional component issues and unexpected delivery delays experienced during international transit. Some people mentioned that certain parts can break over time or cause mechanical complications during regular use. Additionally, a few customers experienced frustrating challenges with incorrect sizing or non-conforming components that required replacements.
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Unexpected fast delivery and good customer support even with non-standard questions
Well packed, well explained, always eager to help. Nothing to complain about.
Easy install, working well. Minor suggestion for improving like the need to have higher luminosity for the display during daylight
Great company help to sort a problem i had with my bike kit I was able to fix a problem I had and Iam back up and back on my bike!!!
The best ebike kit available on the market. Easy to install, all manuals available and the result is a pure fun. Especially convenient that bottle shaped battery can be separated for charging.
quick and competent response in case of technical questions, always eager to help
They have not done OK on this one. My battery failed just one or two months after one year of purchase which in Europe market means within warranty. They replied that their purchase conditions are 1 year warranty which is against European law. They just proposed a 20% discount on a new one. This is NOT ok 100G!
Hello, we feel sorry for the battery defectiveness. According to our warranty policy, the battery is with one year warranty while other parts with two years. For this replaced battery we agree to extend the warranty to two years. And The 20% discount is a special offer made just for you. Normally, if a part is past its warranty period, you would have to repurchase it at full price. We hope you are satisfied with our service and wish you a pleasant ride.
Whenever I had questions, whether technical or logistical, I always received answers immediately via email.
Great products, fantastic company.
Quick to respond and dispatch. Efficient service.
After ready the many positive reviews, I decided to purchase the kit for my road bike. Upon delivery, the wheel does not align with the frame and is offset to one side. I had a bike shop align the spokes to make it work. Also, the brake disk rubs on the frame because of the same issue. The axle on the wheel kit is too long on one side, and too short on the other. It's obvious the axle is not manufactured or installed correctly. When I contacted the manufacture regarding this they said I was not eligible for warranty return as the wheel kit had been installed. This can't be true because the axle issue won't allow me to install it. I feel that this company has taken the low road regarding its return policy. Update: after a few emails and more adjustments, I finally got the wheel kit to work. However, the brake disk is still very close and tends to rub even after installing the washer shims as instructed. I charged my review accordingly.
Hello, our engineer has contacted you by email to check the problem. About the disc brake scratch, we show detailed adjustment tips in the installation manual. If the brake disk is still close you could take the washer from the cassette side and add it on the disc brake side to adjust the distance between the fork and disc brake. We appreciate your fair and objective review. Please feel free to contact us if you have any further questions. Have a pleasant ride!
Delivery time, packaging, instructions, tools, and installation were all simple and great. The quality of the parts is excellent. The battery is big and heavy, which is expected for this capacity, and it performs really well. Maybe it could be designed a bit longer and thinner, not only in the bottle shape — just an idea for the future. I also know that, like any battery, the range will never be quite the same as on the very first ride. Overall, I’m really satisfied. Thanks for everything, and good luck with future improvements!
Excellent and extremely helpful conversation with company. Wasn’t sure exactly what I needed but they sorted out everything. Also fantastic product and quality easy to fit and setup following the manual. Would highly recommend the company and its products.
My experience with 100g has been excellent there very helpful and prompt. Provide tracking on parcels . And good quality parts and products
Great service. helpful and prompt shipping and tracking
I need the manual to install everything. I was waiting now for 2 days without response. Normally you are very fast. BR Willi
The wait time for the delivery was over a month, but this was expected for the model I ordered. Nevertheless I was not able to get updates on the deliver once it was dispatched and I think this part could be improved. I had a technical problem with the motor and a replacement motor will be sent but this will also take over two weeks. I can say that the product itself is nice at met my expectations at first and the product support is very good. They were able to identify my issue and confirm they would replace the part that failed within hours with live chat.
Very good interaction. No problem with delivery.
291 reviews matching