Park Tool’s 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
