Kryptonite Transit Tube-R Bicycle Chain Lock Carrier Easy to useCHAIN CARRIERtransports the following integrated chains: Evolution series 4 1055, KryptoLok series 2 955, Keeper 785 Chain Carrier attaches at braze-on bolt points or with 2 velcro straps (we recommend using both if possible) Product weight: .75 lbs (.34 kgs) Easy to use chain carrier transports the following integrated chains: Evolution series 4 1055, KryptoLok series 2 955, Keeper 785 Chain Carrier attaches at braze-on bolt points or with 2 velcro straps (we recommend using both if possible) Can also store other small items when not using to store lock