For Niner GT Whisky Kona Jamis Norco Felt Rose Viner Fork Conversion Kit 15-12mm 15mm to 12mm Fork Thru Axle Conversion Kit. Use 12mm wheels in a 15mm fork. Converts 15x100 forks to 12x100 standard! Fitment: For most road, gravel, and cyclocro forks including:ForNiner (non-MTB) w/ 125mm axle (BSO RLT RDO)ForGT GradeForJamis (all)ForKona Roadhouse, Private Jake, and Jake the SnakeForNorco Search and ThresholdForFelt (all)ForRaleigh Roker, Tamland, RXM, and RXC ProForRose Backroad and XeonForWhisky #9 forkForOtso Waheela (w/Lithic Hiili fork)ForAll City Cosmic Stallion (w/ Whisky #9 fork)ForLynskey PRO CX and PRO Road forks (not PRO GR)ForLitespeed T5 GravelForNo. 22 Broken Arrow and DrifterForFoundry Overland (w/ Whisky #9 fork)ForGenesis DatumForDolan DR1ForCarbonda CFR505ForHoy Alto IrpaviForPrincipiaForPrologueForRapideForTomac Mesa VerdeForAlan Super GravelForBlue Norcro and ProSeccoForAdvocate Lorax (w/ Otso Lithic Hiili fork)ForBombtrack Hook 3ForPlanetX/On One Bish Bash BoshForSaracen AvroForViner Super PrestigeForBottecchia T2 Doppia CorsaForKindhuman KuduForOpus AllegroForPride ROCX Tour LT Package Included: Thread adapter: M15x1.5mm pitch external thread, 15mm long, M12x1.5mm internal thread Thru Hole Insert: 15mm OD x 12mm ID, 10mm long Axle: 12mm x 130mm long, M12x1.5mm threads, 2mm spacer (optional, for fine tuning length) Installation Notes: 1. Use either grease or low-strength threadlocker on thread adapter2. Use Park Tool SPA-2 or equivalent 2.3mm pin spanner to tighten thread adapter into fork. Flange goes on the OUTSIDE3. Use grease on o-ring of thru hole insert and install into fork from the outside with a combined pushing and twisting motion. Do NOT use thru axle to drive thru hole insert into the fork4. Use grease on threads of thru axle. Torque 9 - 13.5 N*m using 5mm hex key