These chainrings are a game changer for single-ring drivetrains! These Race Face Single rings now feature performance-enhancing chain retention technology, allowing them (for most riders) to be used without a chainguide! The secret are alternating fat/skinny teeth to fit more closely into the narrow and wide plate spacing of a normal chain, "grabbing" the chain and holding it more securely... even without the use of a clutched derailleur!
Race Face also managed to develop a 30T front chainring for a 104 BCD. Geekery aside, this allows you to get a low enough climbing gear for pedaling an All-Mountain bike up the trail, without having to buy different cranks.
The Narrow/Wide Single Rings are strong enough to stand up to the abuse of the downhill trail, yet light enough for cross country racers. Single Rings are machined from 7075 aluminum and tested in the most punishing terrain. They're built to last!
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