Stand 21 40° Hi-Tec FHR collars are made from aerospace specification Carbon fibre and are typically used single seaters, oval cars and maybe even dragsters, applications with very recumbent seats and available in the medium size only. The Stand 21 FHR collars are supplied with padding and a protective bag for storage. All Stand 21 FHR Collars come with the vision sliding tethers as standard, we do sell these separately for retro fitting or to replace worn of damaged tethers. Bare weight approx 530gr depending on size and model. FIA 8858-2010 Approved.
Small - Less than 15" (less than 38cm) neck/collar size
Medium - 15" to 18" (38cm to 45.5cm) neck/collar size
Large - Over 18" (over 45.5cm) neck/collar size