Stable, secure, and robust, and nice viewpoint and easy usage of the phone
The Rokform Rokbed V3 Bike Mount Kit is an all-encompassing iPhone mounting system for bicycles, and the system includes a heavy-duty mount that attaches to the headset and a protective case for the iPhone 4/4S. It comes in iPhone 4/4 (tested), iPhone 5, and Samsung Galaxy s3 variants and retails for $99. When the system is mounted on the headset, you can use your iPhone for cycling GPS apps and normal mobile and music usage, greatly extending your smartphones functionality, right at your fingertips.
The mount system is comprised of a CNC machined billet 6061 T-6 aluminum mount and its headset assembly, which attaches to any 1 1/8- inch threadless headset. The two-piece case is made from an injection-molded polycarbonate frame, and has a thermoplastic elastomer non-slip grip insert that contains a rare-earth magnet. The case connects to the mount using their Remote Mounting System (RMS), which is a dual retention lock system.
The Rokform Rokbed V3 Bike Mount Kit retails for $99, and includes the two piece Rokbed v3 iP4 case with its accompanying magnet, a safety lanyard and case lock, and the bike mount and headset assembly.
The tough injection-molded polycarbonate case was moderately thin with a slight bulge at the back, and all the buttons were easily accessible, and although it offered a good degree of robustness, it’s not water or dust proof. For all the cutouts on the case body, it’s surprisingly stiff and strong. It was easy to insert the phone into the top part of the case and then slide the bottom on, followed by snapping on the case safety lock, which keeps the two pieces from separating during use. I preferred using the plastic lock clip over the lanyard, as I found they both offered the same security, but the clip was easier to use and didn’t bounce around like the lanyard did during a ride. Removing the phone was simple, since the bottom portion of the case has a nice indention on the back to pop it off, and the phone would then easily slide out. The case doesn’t have a screen cover, so it really needs a protector installed to prevent any damage to your phone in adverse outdoor conditions, though I ran mine without any ill effects.
Installation of the mount was a fairly simple task. You remove the existing headset cap and bolt, and attach the new cap with the socket side pointing up. Then insert the cylindrical pivot into the mount, drop the bolt through the pivot and mesh the assembly onto the cap socket. Tighten things down slightly, and adjust the mounts pitch angle and alignment with the stem, and torque down to the proper spec. You are constrained on the downward pitch angle of the mount by the stem rise and/or the spacer stack height that might exist on the top of your stem. My Syntace stem has a 6° rise, and that worked perfectly for viewing and usage of the phone.
The Remote Mounting System (RMS) is comprised of the four prongs or tabbed male mount, and the case’s female four notched receptacle. The mount has its tabs aligned horizontally or vertically to the attached object, while the case’s notches offset 25°. To engage the case to the mount, you turn the case off axis by 25°, mesh the tabs and notches together, and twist the case until it clicks. The case and mount magnets give a quick snap when aligned, though they’re so powerful, they can make getting the tabs and notches meshed together tough sometimes. You can mount the case horizontally or vertically, depending upon your requirements, or the phone apps.
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