Mile per $ ratio
Can work harsh when new
Visible gap between chainring and chain
14\15, strongly recommended
Approximate weight: 38T – 68gr.
Chainring with 0mm offset fits BB30\PF30 SRAM X9 crankset.
Wont last as long as branded chainrings made from superior alloy, but still can take 2000-8000km depending on conditions.
We did not check how do they retain chain, as we always ride with chainguides.