Crankbrothers Synthesis Enduro I9 Alloy Wheels are tuned to provide control and stability for enduro riding and racing. These Synthesis wheels are equipped with premium I9 hubs.Crafted with an Industry Nine 1/1 Hub for 6-bolt discCompliant tuned front wheel improves handling and maximizes grip and control in turnsFront wheel features a wider inner rim width to support a wider tire profile in front, increased volume and contact patch, and rounds the tire profile to enhance turningWelded and sleeved rim joint for additional strengthPresta ValveSpoke count: 28Item SpecificationsColorBlackDefined ColorBlackFront Axle15mm Thru x 110mmHub/Brake Compatibility6-Bolt DiscISO Diameter584 / 650b / 27.5"Rim Width (Internal)31.5Tire TypeTubeless Ready ClincherValvePrestaWheel Size27.5" Crank Brothers Synthesis Enduro I9 Alloy Front Wheel Front Wheel UPC: 641300165114