For those won’t to have boot locked by Dynafit Radical, Speed & TLT (failure) durring climbing you can find a solution here:
http://www.maruelli.com/RADICAL%20UPGRADE/DYANAFIT%20RADICAL%20UPGRADE.htm
http://www.maruelli.com/RADICAL%20UPGRADE/DYANAFIT%20RADICAL-SPEED%20UPGRADE.htm
Hope it can be usefull !