Locking Strap Bike Mount and Cradle for Garmin eTrex 10 GPS (sku 30092) Locking strap mount with new compact Garmin eTrex 10 20 30 GPS holder. New design -cradle attatches to your unit in the same way as the original. This mounting option is one of the most versatile we have found. Ideal for awkward, irregular sized handlebars. This mount is easy to fit and is completely removable. Strap is suitable for square, oval & round handlebars, frames, poles or bar. Fits minimum diameter of 21mm & maximum diameter 40mm.