Cage fits any bottle 2-1/4" x 4-3/4" and straps frame up to 3-1/4" Strap has EPDM rubber insert and coated strap to hold the bottle in place Mount any bottle anywhere on your ebike Adjustable bottle cage mount, compatible with your bike, exercise bike (compatible with Peloton), scooters, folding bikes, etc. Works on strollers, UTV's, boats, scooters, and many other uses. ABC ADJ W/B CAGE 3.25 STR