Bell Custom500 Bell Custom500 from Amy Martin Bell Custom500 Updated the fit and test standards for the long standing Bell Custom500. Added 3 more shell and eps sizes and lowered the brow. gLike Bell Custom500 Updated the fit and test standards for the long standing Bell Custom500. Added 3 more shell and eps sizes and lowered the brow. Engineering Product Design Project Management Share R 7 n Available Freelance, Full-time Amy Martin Senior Design Engineer San Jose, CA Follow Contact