15mm to 12mm Fork Thru Axle Conversion Kit for most road, gravel, and cyclocross forks including: Niner (non-MTB) w/ 125mm axle (BSO RLT RDO) GT Grade Jamis (all) Kona Roadhouse, Private Jake, and Jake the Snake Norco Search and Threshold Felt (all) Raleigh Roker, Tamland, RXM, and RXC Pro Rose Backroad and Xeon Whisky #9 fork Otso Waheela (w/Lithic Hiili fork) All City Cosmic Stallion (w/ Whisky #9 fork) Lynskey PRO CX and PRO Road forks (not PRO GR) Litespeed T5 Gravel No. 22 Broken Arrow and Drifter Foundry Overland (w/ Whisky #9 fork) Genesis Datum Dolan DR1 Carbonda CFR505 Hoy Alto Irpavi Principia Prologue Rapide Tomac Mesa Verde Alan Super Gravel Blue Norcross and ProSecco Advocate Lorax (w/ Otso Lithic Hiili fork) Bombtrack Hook 3 PlanetX/On One Bish Bash Bosh Saracen Avro Viner Super Prestige Bottecchia T2 Doppia Corsa Kindhuman Kudu Opus Allegro Pride ROCX Tour LT Use 12mm wheels in a 15mm fork. Converts 15x100 forks to 12x100 standard! Kit includes the following: 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 adapter 2. Use Park Tool SPA-2 or equivalent 2.3mm pin spanner to tighten thread adapter into fork. Flange goes on the OUTSIDE 3. 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 fork. 4. Use grease on threads of thru axle. Torque 9 - 13.5 N*m using 5mm hex key.