FSA STEEL ATB CHAINRING MSRP $39.99/ New in Package/ Ships in 24hrs Description: Brand: FSA Size: 27 tooth Bolt Circle Diameter: 86, 3-bolt (approximately 74.5mm between to holes, center to center) Fits 386 FSA cranksets Speed: X-10 Color: Black Mass: 71 grams* Condition: New in original packaging *All weights and measures are approximate.