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Bike Chain 6/7/8/9/10/11/12 speed
Bicycle Chain
Designed to work seamlessly Compatible with Shimano, SRAM, Campagnolo and other popular gear systems, this bike chain offers unparalleled versatility. Whether you're riding a mountain bike, Hybrid Bike, Folding Bike, Junior Bike or a road bike that will improve your shifting presentation and your power transfer to make your next road ride the best.
JCC
Reviewed in the United States on March 11, 2025
Nearly identical to the KMC X9 it replaced. Running this on a single speed mountain bike in Hawaii where rust is an issue. So far, no rust on the chain. Hoping for a long life with this one!
Michael B. Maxwell
Reviewed in the United States on February 28, 2025
I'm reviewing the 9-speed bike chain (the seller has chains for other speeds as well). (You probably know that the number of speeds that a chain is good for refers only to the number of gears on your rear sprocket, and doesn't depend on the number of gears on your chain wheel up by your pedals.)Links are tight, comes with master (or quick) link (which the seller refers to once as a "magic buckle" and once as a "missing link"). I of course checked the length against the old chain, allowing for the fact that my old chain had stretched a little--there were 5 or 6 extra links, so I used my chain breaker to remove the excess ones.Of course time will tell how well it holds up before stretching, but that will vary a lot among bikes depending on where you used it (sand/ soft dirt/ pavement) and on how well you keep it cleaned and lubed. But as far as I can tell, it should serve quite well.
kpdrumswritessings
Reviewed in the United States on February 26, 2025
This chain is of decent build quality and good enough material. the tolerances are good and tight-- some value chains have slop- sometimes as much as an already worn out chain. Put side by side with the Sram and Shimano chains I have, the looks and feel and close. that said I am not going to install directly onto a bike that I have to have the best reliability (yet) until I have full confidence in its reliability. That said This should work perfectly for years for casual riders or for training bikes, Maybe even more. It is a good quality chain- better than many- but durability can't be judged this soon.
Chas
Reviewed in the United States on February 24, 2025
My initial take now that I have it installed is that it's a good quality replacement chain for routine maint on my 10 speed Shimano Ultegra setup. Test ride was smooth too. Nice and shiny too compared to the old one I tossed that easily had 1000+ miles in it. ;-)The "Missing Link" they mention is I guess the same thing Shimano would call a 'quick link'. It worked just fine though took a bit of cajoling to fit together properly. A bike shop tip from the past was my solution: just get the link together and then literally stand on it. It'll come together and it did. Once together and oiled, rides smoothly.As to value, my take is that it's about average in price. Google around and you can easily find genuine Shimano for just a few bucks more. But this so far looks and feels high quality so who doesn't want to save a few bucks.
TJ
Reviewed in the United States on February 12, 2025
I got this chain to install on a single speed mountain bike. The chain had some packing grease on it, not too much, but you could ride it as is. It seemed like the side plates were fairly loose with more play than what I’ve experienced on 11 & 12 speed chains. I cleaned all the grease off and hot waxed it in Silca chain wax. Cutting the chain was no problem and the quick links are easy to install. I’ll have to wait and see how long the chain lasts, but initial impression is that it’s a good chain for just about any bike that can use an 8-speed chain.
Don Gilbert
Reviewed in the United States on February 11, 2025
Looks to be a good chain. The nickel finish should prevent corrosion, not that I ever leave mine get that dry. Looks good on the bike. Have a chain breaker or at least a grinder handy to size it correctly unless you get lucky and your bike uses the exact length that’s sold. The two piece master worked as designed, you can either put the link on the top run and stand on a pedal to seat it or roll it onto the front sprocket and tap the link down with a screwdriver handle or similar. My old master and the extra links went into my tool bag. Never know, might get you home in an emergency.The chamfers on the links don’t appear as pronounced as the original shimano chain but seems to shift as effortlessly as always. Mount the chain with the lettering out, it makes a difference. Service life remains to be seen. I regularly get into mud so my chain life isn’t great and I would rather replace it more often than wear out a cassette. The price of this chain allows me do that as long as it’s life is reasonable.
Doug M.
Reviewed in the United States on January 28, 2025
Nothing like installing a bright, shiny new chain on a bike; it’s akin to a minor tune up. Shifting gets smoother and pedaling a little quieter.Sizing, installing and quick linking the Sumc bike chain was all pretty straightforward; I used it to replace a stretched-out chain on a vintage Trek Mult-Trac hybrid. I also used the old chain to size this one.To size with the old chain, make sure it’ll make the shift to the two largest gears, leaving a slight bend in the two rear pulleys. Then shift to the two smallest gears, making sure there isn’t slack hanging down from the lower chain run, and that the rear derailleur doesn’t pull back so far that the chain contacts itself. Next, line up the old and the new Sumc chain link to link. If you’re going to use the quick link, be sure to include it in the length. Also make sure that the ends of each chain match, that is, both outer or both internal links at the same end. I ended up chopping off five or six links to get the length right.The quick link is basically two halves of a full link, and slides together on both sides. It’s been some time since I’ve used a master link, and when I did, it was the ones that have an expansion pin on one side. Otherwise, I’ve just been using a chain breaking tool to separate and reconnect chains. I could have done that with this chain, but the use of master link pliers made connecting the quick link a breeze. Without them, I’m not sure how’d it be done. Since the quick link is symmetrical on both sides, there’s no direction of travel indication, and none needed.I haven’t put many miles on the chain yet, but shifting has immediately improved. The fact that the old chain was stretched out and this one isn’t, accounts for that. And that’s why a chain is replaced anyway, as regular, routine maintenance.So far, no complaints or criticism of the Sumc bike chain. It’s doing what it’s supposed to do; it’s a chain alright.
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