Bicycle Rear Rack BK431

I needed a rear rack for my fat tire bike that has 4" tires. I read a lot of reviews and was confident that this rack would fit my tires, and it looks great. In the reviews I noticed that several people complained about the rack breaking or failing with light loads, so I proceeded with caution. First, LOOSELY assemble everything. Do NOT tighten anything too much. Next, mount the clamp on your seat post and tighten it to where you plan to leave it using the rubber inserts. This gets the carrier mounted above your tire and centered so that you can adjust/tighten everything else. Now, take your time and get everything else mounted/adjusted without fully tightening anything. I did add a few lock washers in areas where I didn't want to have to tighten things on the trail if they came loose, but otherwise was able to install without issue. I can see that if you would over-tighten one area and then tighten the other side that you would accidentally stress a joint or a tube and not know it until your load snapped something. Take your time and work from side to side and you can get a solid reliable install. For my first ride, I went 3 miles to the grocery store with a cooler on the rack. I put a gallon of milk, a bag of apples, a family pack of chicken, and a few miscellaneous things into the cooler, so this was a fairly heavy/unbalanced load. No issues, nothing came loose, and I'm confident in the product and my installation.

Good quality

Could not install according to the video. 2 pieces needed to be longer. I made it work anyway. Left to pieces off. Still OK

This is a great bike rack. Inexpensive, good quality, handy, and easy to install. Wouldn’t hesitate to get another one.

This is a solid rack, you don't have to be a bike mechanic expert to installed this, just look at the pictures on Amazon, it's pretty self explanatory, if you can change a bike tire inter-tube, this is just as simple, just take your time, comes with all the hardware and tools needed. I did use my own Allen wrench set for better leverage for extra tightness. This fit my Ecotric Fat Tire Bike frame with no problem. The only down side to this type of rack I can see is if your use to riding with the seat post all the way as far as it can go, you lose some of that maybe 1/2 inch for the rack to grab on to the seat post for support. The rack is super light weight, appears to be made of thick rolled aluminum. Shipping did take a few weeks, but if you can wait, it's worth it.

I only get a bad item from a seller on Amazon MAYBE twice a year, tops... 90 orders in '23, and going on 30 this year... That's a pretty good success rate, if I do say...This ThreeH rear bike rack shall be deemed 2024's 1st bad item... I mean REALLY bad... This is fresh out of the box, and has NOT been installed on my bike...Allow me to expose you to these photos...1) Bent bracket2) Bent main rail, front3) A plastic cap would've been nice... And the reflector bracket is riveted... Removal in lieu of a taillight bracket would require drilling...4) Before TIG-welding, I'd venture to say that the main rail should've been clamped into those round receiver brackets... A 7-year-old could've welded it better than this Chinese robot... THAT'S ON BOTH SIDES...5) Another reviewer said his platform was not mounted properly, same as this one...6) Nobody will ever convince me that this thin clamp is good for 110lbs... The support brackets wont be of much help, as the screws only dig into the surface of the inner post...With some good screws, strong epoxy, my Dremel, and about 4 hours of my life, I could rebuild this bike rack and make it tough as nails... But I'm not going to... It'll be back on a UPS truck tmrrw...Excellent Advice: Leave this one and all it's copycats with Amazon's deceptive sellers... THIS IS A TRULY DEFECTIVE PRODUCT WITH SHODDY WORKMANSHIP, AND SHOULD BE REMOVED AND BANNED FROM THE AMAZON COMPUTER SYSTEM...ZERO STARS IF I COULD...GOOD DAY...

The rack was easy to install and fits perfectly on my EBIKE. It is a bit narrow to be able to place a very large item on it and transport it, however, the rack was not designed to replace a large basket that you occasionally see on the front of some bicycles to carry home some groceries! It is more appropriately sized to carry some rain gear or other apparel.

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