O'Neal 2SRS Adult Helmet SLAM V.23 Helmet size:Small (55-56cm) RFX Pro Rear Axle Adjuster

RFX Pro Rear Axle Adjuster Blocks (Red) Beta 2T RR125-300 13-20 4T RR250-480 15-20

This allows for the axle to be undone using one spanner

On the other hand

Has a Leatt protection score of 25

thanks to their lightweight chassis

O'Neal 2SRS Adult Helmet SLAM V.23 Helmet size:Small (55-56cm) RFX Pro Rear Axle AdjusterOn the bike you have to be able to rely on your gear, and that's exactly what O'NEAL gives you with the 2SRS. Comfortable, safe and stylish, this motocross helmet is your companion in any kind of action. Features: Durable, secure ABS shell. 100% comfort thanks to a comfortable fit, ventilation openings Soft, washable lining & more.