RAM Tough-Strap Handlebar Ball Base Ready for any adventure, the RAM Tough-Strap is the lowest profile, rugged mounting solution for motorcycle or bicycle handlebars. With two different size straps you can easily install the Tough-Strap on any motorcycle, bicycle, or e-bike with a simple twist of a knob. This mount includes a B size ball base so you can attach any RAM B size socket arm and your desired device holder to complete your solution. The long strap is used for bar diameters ranging from 1.25-1.38 while the short strap is used for diameters ranging from 0.875-1. Utilize the extra rubber strip to cut down to the diameter range of 1-1.125 for a more custom fit. Features Low profile handlebar mount Works for all bike types including motorcycles, bicycles and eBikes RAM Tough-Strap easily attaches to your handlebar with the turn of a single knob Includes two different strap sizes for handlebars Long strap ranges from 1.25-1.38 diameter Small strap ranges from 0.875-1 diameter An extra rubber strap allows ranges from 1-1.25 diameter Attach any RAM B size socket arm and desired device holder for an ideal handlebar mount for all bike types Made of high-strength composite and stainless steel hardware for durability and reliability in the most demanding environments