Raceface has really come through with their new cranks. The cinch system is a 30mm spindle that really stiffens up the cranks. Although they are Alum. cranks, they are very light and durable. They spin freely and will hold up to any type of terrain.
I chose the Turbine Cinch crankset to put on my Santa Cruz 5010. The perfect 1X option at a very reasonable cost. You have to be going really hard to drop a chain off of this crankset. Give me a shout if you want to talk shop.
Awesome crankset. Lightweight, stiff with the 30mm spindle, and the cinch lock system is awesome. Changing the chain ring is super simple, the rings are amazingly light, and the narrow/wide teeth help a huge amount as far as chain retention. Contemplated this and a shimano xt crank, went this route, and have zero regrets.
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Familiarity: I've used it several times
Best value in 1x Cranksets at the moment. I briefly considered more expensive carbon cranksets, but for the minimal losses in weight and gains in stiffness, the Turbine was a no-brainer. Haven’t dropped a chain yet in the first several hundred miles.