2XU Transition Backpack Colour:Black/Aloha Easily mounts to your bike's

Easily mounts to your bike's left crank arm

Easy bottle handling with a deep grip groove

Aero frame tubes or round frame tubes

Greater visual acuity

Continuous automatic calibration keeps races honest and accurate

2XU Transition Backpack Colour:Black/Aloha Easily mounts to your bike'sUltra durable to withstand the demands of triathlon, the Transition Backpack delivers big on storage and functionality so you're free to focus on your best performance ever. Dimensions: Length: 52cm Width: 32cm Depth at Base: 15cm Product Features: Triathlon backpack Ultra durable shell Adjustable padded shoulder straps Molded ergonomic back panel maximise comfort Quick side access laptop compartment Chest strap with built in whistle External helmet