Bell sanction helmetat just 850 grams the bell sanction helmet is a low profile full face mountain bike helmet aimed at dirt shredders and bmx riders who dont need the more robust full 9 or transfer 9 the sanction helmet has become the choice for adults who want full face protection but prefer a smaller size and profile if youre riding a chairlift go with a full 9 or transfer 9 but if youre pedalling bmx or dirt jumps this helmet will serve you well featuresabs hard plastic shelladjustab