Locking Strap Cycle Bike Mount and Cradle for Garmin Oregon 200 GPS (sku 30154) New slim design - attaches the same way as the original cradle. Fits: Oregon 200 300 400t 450 450t 550 550t 600 600t 650 650t 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.