Primo Zia Chainring Silver 25t

The Primo Richter Sprocket was designed and built for Nate Richter and finished with a custom laser etched pattern. Built from 5mm thick 6061-T6 aluminium and fully CNC machined for strength and durability, its fully 3D CNC'd to create a dual thickness sprocket that's more durable where it's needed. The Richter Sprocket fits 19mm, 22mm or 24mm sp... moreindles with all adapter rings included. ###section### Product Specs TYPE: Bolt On MATERIAL: Alloy WEIGHT: 76.8g (2.71oz)