Be sure it's safe with the OnGuard heavy-duty K9 link plate lock

360° rotation

2x direct mount bash guard

Does it fold up for storage: It folds flat for storage in a matter of minutes

What size bikes can it carry: 20' to 29' wheels

Lazer Finch KinetiCore Helmet - One Size PDP|PLP|Suits Freehub Type Be sure it's safe withA trail riding helmet for young and old(er). This helmet is your perfect buddy to go out on those fast and technical tracks with your friends. Features Fit System: TurnSys System Sizes: Uni size 50 56cm Weight: 330g Uni CE Easy adjustment Guaranteed Fit Eyewear Friendly Effortless Straps LED Light Compatible Winter Kit Compatible Lightweight Reduced Plastics