[. . . ] MTB Disc 15mm Thru-Axle Retrofit Making Your MTB Disc 130 15mm Thru-Axle Compatible. · Tools Needed: Two 19mm cone wrenches, 22mm wrench or adjustable wrench, 15mm thru-axle retrofit kit (15mm thru-axle with pressed on end cap, round thread on end cap, and 22mm hexagonal thread on adjusting nut) to rider safety. [. . . ] If the dust seal is pinched in final assembly the hub will appear to be tight and loosen when riding. 2. Push the quick release axle to the disc side, and pull the axle from the hub. 5 19mm 22mm Remove Dust Seal Find the 22mm adjusting nut (included with kit) and 19mm adjusting nut with dust seal removed from quick release axle. Insert the dust seal in the groove on the outside of the 22mm adjusting nut. Thread the 22mm adjusting nut with dust seal attached onto the end of the 15mm thru-axle and tighten with a wrench. Tighten the adjusting nut until there is no play and back off one quarter rotation. 7. [. . . ] Bearing Adjustment: With the wheel in the fork, check for the desired adjustment by wiggling the tire at the rim to feel for "slightly more than no play. " All repairs should be performed by a professional bicycle mechanic. [. . . ]