Engineered for performance crafted from strength 7075 aluminum alloy to deliver reliable performance across all cycling adventures. for fixed gear applications designed specifically for fixed gear bicycles, making it a practical upgrade for serious riders. Accurate dimensions for fit crank length of 170 mm and tooth thickness of 3 mm to ensure precise installation and dependable function. Efficient chainring configuration 48T chainring with a 130 mm BCD engineered to maximize pedaling efficiency on a variety of terrains. Use scenarios Urban fixedgear commuting: upgrade provides durable reliability and improved pedaling efficiency for frequent starts, stops, and varying road conditions. Track or practice riding: the 48T/BCD setup supports steady cadence and improved power transfer during intense sessions. Singlespeed or fixedgear conversions: ideal for retrofitting older bikes to fixed gear with a robust aluminum crankset designed for longterm use. Notes compatible with fixed gear setups and sized for straightforward installation with the specified dimensions and chainring configuration.