Annex Quad Lock Base Bike Kit (iPhone 4 4S)
Quad Lock is a revolutionary mounting system that allows you to quickly and securely attach your smartphone to your bike with a simple twist. The dual stage locking technology (Patent Pending) is unique to Quad Lock, making it the LIGHTEST, STRONGEST, and MOST SECURE mounting system on the market. Simply Twist, Lock & Go! No other system allows you to mount your smartphone as quickly and securely as Quad Lock.