Halo Wheels Spin Doctor 6F Thru Axle End Caps Description: These Halo Wheels Spin Doctor 6F Thru Axle End Caps allow for the use of a 15 x 100mm thru axle with a Halo Spin Doctor 6F front hub. Features: For 15 x 100mm thru axle in Halo Spin Doctor 6F front hubs Thru axle conversion kit for Spin Doctor 6F (front) and Spin Doctor 6-Drive hubs Not compatible with original Spin Doctor and Spin Doctor Pro hubs
