THIS IS A  THOUGH FRAME BOLT UP KIT...AND THE BEST PART IS THOSE BIG TOP BAR FRAMES ARE EASY TO PUT A TANK ON WITH THIS KIT... AND ON YOUR STANDARD FRAME BIKES YOUR TANK DON'T SLIDE AROUND..IT STAYS RIGHT WHERE YOU PUT IT

.( NOTE YOU WILL HAVE TO DRILL TWO HOLES IN FRAME..)

THE BOLTS IN KIT ARE 1/4 -20....WITH NUTS AND WASHERS.....WITH TWO BIG RUBBER MOUNTS THAT FORM TO FRAME WHEN TIGHT...... THIS WORKS ON A FRAME SIZE  FROM   7/8....TO 2 1/4......WITH THE BOLTS IN THIS KIT....

THE BEST WAY TO DRILL THE TWO HOLES  IS TO CLAMP THE  ALUMINUM MOUNT RIGHT TO FRAME    AND DRILL THOUGH THE FRAME AS .SQUARE AS YOU CAN......THEN MOUNT IT UP IT'S THAT EASY.......