Biltwell Murdock Pullback Risers For Harley If you are going for the club-style bike with tall risers but still want enjoy a bit of comfort, pull the bars back a little closer to you with Biltwell's Murdock Pullback Risers. Features: Fits 1 diameter bars 2 of pull back Investment-cast steel one-piece top clamp TIG welded 0.120 wall, 4130 cro-moly steel uprights with 1/2-13 threading Handlebar clamp bolt patterns fit speedo/tach brackets on some Harleys 5-1/4 top clamp total width