New Front Hydraulic Brake Master Cylinder for Honda Trx400 Trx300 Trx450 Trx250 Trx250e Black Fit honda trx400 trx300 trx450 trx250 trx250e Fit 7/8" handle bar, with lever and brake light switch Without rear view mirror hole Piston bore diameter 12.7mm, banjo Bolt 10x1.25 mm thread pitch black color, right side