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SRAM is using a newer manufacturing machines to make these.
Clearly shimano is using the same machines and manufacturing processes they have used for decades.
The SRAM has smoother surfaces so as not to attract dirt and grim. KMC is even worse with slots and ridges....
I will only used SRAM chains.
Everything works great. I mounted the watch and gps to the handlebar of my racing bike. Gps is accurate but a little slow. Red screen little hard view
SRAM PC-1031 BICYCLE BIKE CHAIN 10 Speed fits Rival Force RED X9 X7 Shimano
May 11, 2021
Very strong chain!
I’ve wore out many dura ace chains and frankly I get more power out of the sram chains and I can buy 2 for the price of one shimano chain.
They also come in a plastic box that I use for soaking the new chain in some Teflon oil mix before I install the chain resulting in longer life of the chain. I keep the plastic box for future oil soaking.