This brand new KDSG Rear Axle Bolt fits the Coleman Powersports BT200X, CT200U and CT200U-EX mini bikes. It is used as an axle bolt and as a swing arm bolt. NOTE: There is some discrepancy about the length of the axle on the CT200U-EX. Please compare your axle length to the specs before ordering. Specifications: Brand: KDSG Condition: New Rear Axle Bolt for the Coleman BT200X, CT200U and CT200U-EX Length: 12.6" (321 mm) NOT including the head nut Overall Length: 13.11" (332 mm) including the head nut Shank Diameter: 0.58" (14.85 mm) 14MM bolt also known as M14 Thread Pitch: 1.50 Fits the Coleman BT200X, CT200, CT200U and CT200U-EX mini bikes. Might fit other makes and models of mini bikes. Please examine photos and check specifications before ordering. Please make sure to inspect the product images and specifications before making a purchase. Thank you!