It's to suit posts with a connectamajig (the quick connect bit) at the bottom of the post

ID or key fob for your ride

SIZE: UNIVERSAL CHILD - FITS 47-54 CM

Drink bottle pocket

Fox Defend D30 Gloves - M - Atomic Orange PDP|PLP|Rail Material It's to suit posts withThe Fox Defend D30 Gloves are for All Mountain, trail and enduro riders who love to ride aggressively and are looking for some knuckle protection. They combine a stretch Cordura fabric with the super protective D30 knuckles that offers superior comfort and protection. Who's this item for: Trail, Enduro and All Mountain riders who like to punch rocks and want some knuckle protection. Palm Style: Perforated dual layer Clarino for comfort and durability.