Bell Sanction MTB / BMX Full Face Helmet - Black Helmet Size:55-57cm Thinsulate is a synthetic insulation

Thinsulate is a synthetic insulation with a good warmth to weight ratio

8 Wh) battery is perfect for extended burn time on those longer running sessions

Durable and lightweight aluminium minimizes extra weight on your bike

Enjoy a comfortable ride thanks to the ROADFLY's one-piece engineered upper

half marathon and marathon

Bell Sanction MTB / BMX Full Face Helmet - Black Helmet Size:55-57cm Thinsulate is a synthetic insulationAt just 850 grams, the Sanction is our low profile full face helmet aimed at dirt shredders and BMX riders who dont need the more robust Full 9 or Transfer 9. The Sanction has become the choice of 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 pedaling BMX or dirt jumps, this helmet will serve you well. Features: Weight: 850 grams Vents: 15 vents