It's tough as nails and will easily accomodate a headlamp battery too

125 straight

4-degree upsweep

Hex bits: #1

the Hiplok D is big on security and practicality

Quadlock Pro Bike Mount PLP|EMTB Optimised It's tough as nails andThe Lightest and Strongest iPhone Bike Mounting System on the Market Whether your phone is your device of choice for navigation, tracking, or you just want to dominate at Pokemon Go, the Quadlock system will allow to easily mount your phone in a reassuringly secure fashion. Features: Lightest and strongest iPhone bike mounting system on the market Secure, dual stage locking system Compatible with all Quad Lock Cases and the Quad Lock Universal Adaptor