Easton EA90 Aluminum Crankset - 172.5mm 10/11-Speed Direct Mount CINCH Spindle Interface Matte BLKEaston EA90 Aluminum Crankset 172. 5mm 10 11 Speed Direct Mount CINCH Spindle Interface Matte Black. The Easton EA90 aluminum crankset is optimized for gravel cyclocross and road riding styles. It offers the versatility of the CINCH system for a variety of gearing combinations. EA90 alloy crank arms are lightweight and feature a matte black anodized finish CINCH direct mount technology is compatible with both 1x and 2x setups CINCH power meter