The RaceFace Turbine Cinch Crank Arm Set continues setting the benchmark for performance aluminum cranks and cements the Turbine legacy. Featuring the proven Race Face Cinch System interface, the Turbine is an incredibly light & stiff performance crank-set for today's modern XC, trail and all-mountain rider. Imagine interchangeable spiders, limitless ring combinations, a 30mm alloy spindle and compatibility across all relevant frame standards. Interested in counting watts? The Turbine crankset is compatible with the new CINCH Power Meter. Quite possibly the most versatile crankset you will ever own. RaceFace Turbine Cinch Crank Arm Set Features Gloss is Boss. New durable high gloss finish. The crank arms are deep pocket forged and CNC machined to optimize stiffness. Industry standard 30mm spline interface CNC machined from 7050 alloy. Compatible with the Race Face CINCH Power Meter. Removable spider offers the ability to convert between existing chainring standards while remaining flexible to future developments. RaceFace Turbine Cinch Crank Arm Set Specifications Colour: Black. Built For: XC Racing / Trail / Enduro. Spindle Size: 30mm. Spiders: 120/80mm. Cinch Direct Mount: 24T, 26T, 28T, 30T, 32T, 34T, 36T, 38T, 40T, 42T. Weight: 522g (170mm w/o BB). Size: 170, 175.