Easy loading of the bike thanks to the expanding clamp that accommodates the bicycle's thru-axle. Also suitable for bikes equipped with disc brakes. The cycle can be locked into the carrier, which in turn can be locked into the roof rack (lock included). Lock adapter for 9 mm quick coupling hub to lock the bike in the bicycle holder sold separately. Fits only roof racks with T-tracks (20 x 20 mm adapters included, 24 x 30 mm adapters sold separately).