Park Tool SW-15 Three-Way Internal Nipple Wrench

Our innovative 3-way “Y” wrench featuring three different sized wrenches to fit internal spoke nipples.

Note: Wheel manufacturer’s specifications change without notice.

3.2mm square drive, with a nominal outside shaft diameter of 6mm
5mm hex socket with a nominal outside shaft diameter of 7.5mm
5.5mm hex socket with a nominal outside shaft diameter of 8mm
Slips perfectly into the tight surroundings of most rims
Works with wheels made by numerous manufacturers including, but not limited to:

  • FSA
  • Blackwell
  • Planet-X
  • HED
  • Rolf
  • Bontrager
  • Campagnolo
  • Mavic