On today's forks there are many front axle standards. Most Mavic wheel can be fitted with specific adapters to match with the fork diameter. Our 20 mm diameter hub can be. used with 20x110 15x100 or QR adapters. Our 15 mm diameter hub can be converted to QR. QR adapters are delivered with a front quick release Available Models: Torque Caps 20*31 MTB QRM Auto Front - V2650401 20x110 MTB Boost Front Adapter - V2680401 Front 15x31 QRM Auto MTB adapter - V2650301 12mm front road axle adapters QRM - V2680201 Torque caps 15*31 adapters for MTB QRM+ front hub - V2650201 Torque caps 15*31 adapters for MTB QRM front hub - V2650101 15mm front road axle adapters QRM+ - B4104401 9mm front road axle adapters QRM+ - B4104301 12mm front road axle adapters QRM+ - B4104201 15>9 5mm front axle reducers + Quick Release axle - 99694101 20x110 front adapters - 12982901