How does it mount: Your Samsung phone slips into an external case that has a Quadlock mounting receiver on the back of it

and Tiagra 4700

silicone backed strap

Ventilation: Well ventilated with 13 aerodynamically placed vents to keep you cool

Shimano TL-FC41 Direct Mount Chainring Installation Tool Out of Stock How does it mount: YourIf you have a Shimano crankset with their new direct mount chainring attachment system you'll need a tool to remove and install the chainrings. This is that tool! Who's this for: Riders with 12 speed Shimano cranks that use their direct mount chainring attachment system Crankset compatibility: XTR FC M9100, FC M9120, FC M9120 XT FC M8100, FC M8120, FC M8130 SLX FC M7100, FC M7120, FC M7130 Deore FC M6100, FC M6120, FC M6130 Materials: Steel Weight: