CRU Honda Rear Axle Lock Jam Sleeve Nut Clip ATC250R ATC 350X TRX250X 250X 300EX CRU Products Honda rear axle sleeve and jam nut. Comes with all four parts pictured. Measures 28.92mm wide Fits: Honda 1985-Up ATC250R, 1987-Up TRX250X, 1993-Up TRX300EX, 1999-Up TRX400EX, 2009-Up TRX400X, 2004-Up TRX450R