A new back axle had twice the torque handling capability and compared to the previous the added bonus of being slightly lighter. (rrab.com)
Unlock and release as before and then with foot on back axle, pull the handle towards you and then down. (pregnancymagazine.com)
A comparatively stiff back axle helps emphasize the impression of agility the Q2 gives you, but that doesn't translate to an excitable rear end, sadly. (evo.co.uk)