The case is bulky, but that is good as the bulk protects the phone. It has a pass through iPhone compatible Headphone adaptor, allowing you to plug your headphones in to the box, then a wire in the box is plugged into the phone. Headphones with buttons can control the phone.
This is not a difficult project and skill level is pretty low. The tools I used included a Chop Saw to cut Lexan (but there are cutting tools for that), a Dremel tool to cut slots, and a drill.
Please be aware that all I do is ride a hybrid bike (Trek 7.3) on streets and a Rails to Trails system near my home. So I do not want to suggest that this mount could handle the stresses of a Mountain Bike Ride.
Step 1: The Parts
Sheet of Lexan - I bought an 8x10 piece from Lowes that was 0.093inch thick. I cut to 3" x 7" (approx)
One 1.5" Conduit Clamp found at Lowes. This is used to hold electrical conduit to a wall or joist. Measure your Handle bars or
Stem to determine the correct size clamp.
One Pelican i1015 iPod Case from Amazon.
Velcro Strap (1/2" wide) from Lowes
Sugru from http://www.sugru.com This a silicone based product that molds like clay, cures at room temp in 24 hours.
One 10-32 Bolt 3/4" Length, Nut, 2 Washers, and 1 Lock Washer
Chop Saw to cut the Lexan. But anything can be used. THere are special knives. I would use a steel straight edge with a knife.
Hand Sander or Sandpaper - used to smooth the rough edges of the lexan after cutting
Dremel Tool with Cutting Disk. Used to make clots for the Velcro
Drill for hole
Step 2: Cut the Lexan
Use sanding paper (150grit) with a power sander or sanding block to sand the edges of the Lexan.
One could use a Jig Saw, Coping Saw, or Scroll Saw to round off each corner, to make it slightly nicer.
After preparing the Lexan, take a Dremel tool with a cutting Disk. Make marks at either end of the Lexan, about 1/2" wide. Wide enough for the Velcro straps. I cut the slots (you might want to practice on a scrap piece) and then used a box cutter to clean up the slots. The slots are located about 1/2" from the outside of the Lexan.
Take the Drill and Drill bit and drill a hole in the Lexan to accept the 10-32 screw. I offset my hole to allow the Case to be mounted slightly forward on the Handle Bar. I suggest holding up the Lexan to the Bike to figure out where to drill.
Step 3: Mount the Bracket to the Bike and Case
The Case attaches with two pieces of Velcro Strap cut to length. Keeps it secure for the type of biking that I do.
Make certain that you use the lock washers. When I did not use lock washers the case loosened on the clamp and rotated 90 degrees. Due to the length of the 10-32 bolt, the nut could not fall off, but it was a pain. The lock washer works like a charm.