(In order of appearance)
A-TYPE:  For XS / S size frames For MTB or heavy commuting use. QR mechanism is secure and easy to use. 9 kg (20 lb) carrying capacity. Compatible with all MTX TrunkBags. Includes two rubber bungees and safety reflector.
E-TYPE:  For S / M size frames For MTB or heavy commuting use. QR mechanism is secure and easy to use. 9 kg (20 lb) carrying capacity. Compatible with all MTX TrunkBags. Includes two rubber bungees and safety reflector.
V-TYPE:  For M / L Size Frames For MTB or heavy commuting use. QR mechanism is secure and easy to use. 9 kg (20 lb) carrying capacity. Compatible with all MTX TrunkBags. Includes two rubber bungees and safety reflector.