AZSSMUK Roller Chain Breaker Detacher Tool for Size #25#35#41#40#50#60 415H,428H, 520,530 Motorcycle Bicycle Go Kart Chains Replacement

In Q &A section, someone asked if it would work on 530, 525, 520 chains and seller replied it would. I decided to call bluff and purchase it. Technically, it does but requires some grinding. It Will Not Work On Factory Pressed Rivets on 530, 525, and 520 Chain Without Grinding/Shaving Rivet A Bit First. It could work on the non-factory DYI rivets with the dimple on it without grinding. Chain I used it on was a 525. The Push Pin in device flattened (not harden steel) and felt like tool would break. Wished Id took a pic of it before tossing and installing the spare. Overall, its a solid design but intended for bicycle type chains or smaller.

I used it to break chain off a roll for my tractor snowblower. It worked well. It was easy to use.

Quick tool that gets the job done

Good value for the money. Easy to use.

I used this to break a # 41 chain, was easy to use and had no problems with it.

Did the job, reason for 4 star is because the tool doesnt press center of the pin but close to the edge. I tried to reposition the chain but made no difference. It did however push the pins out easily so for the price I cant complain but it sure doesnt look right when you are clamping seeing it barely on the pin.

The center pin loses its tip and flattens out easily. Alignment sometimes a hassle

Worked pretty well but I found that it didn’t punch the chain all the way through it basically just breaks it free because I had to Finnish it off with a punch.

I needed this for an FTC robotics project which has #25 chain. We had this included aluminum thing that hardly worked. So I bought this. It looks a lot like the USA made breaker from McMaster which cost 4 times the price. It looks and feels solid and comes in a box which implies precision engineering, but its not precision engineered at all. The cam holes are very sloppy so that the gripper teeth neither center the chain nor after 2 or 3 uses are even able to hold on to it tight enough while pushing the pin down. So the pin neither stays center and Im not entirely sure that this would fit in the #25 chain anyhow -- the teeth are just too large. It did break the chain multiple times, to the point that they werent remotely usable afterwards. Im now taking a recommendation from my robotics forum and bought a DarkSoul chainbreaker.

It is work ok on the standard 520 chain, however, it’s difficult to remove the heavy duty type of chain. Maybe should buy different size of the breaker.