Stand 21 30° Hi-Tec FHR collars are made from aerospace specification Carbon fibre and are typically used in Single Seaters, Sportscars and Prototype applications with moderately reclined seats, in both Medium and Large sizes. 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