RT Journal Article SR Electronic T1 Protective capability of bicycle helmets. JF British Journal of Sports Medicine JO Br J Sports Med FD BMJ Publishing Group Ltd and British Association of Sport and Exercise Medicine SP 55 OP 60 DO 10.1136/bjsm.24.1.55 VO 24 IS 1 A1 N J Mills YR 1990 UL http://bjsm.bmj.com/content/24/1/55.abstract AB Cycle helmets that meet UK and US standards have been tested. The mechanisms of energy absorption for frontal and side impacts have been analysed. A good helmet should protect the wearer for impacts up to 15 mph into a rigid flat surface.