Walkin' Wheels Full Support/4-Wheel MED/LARGEMeasure the Rear Leg Height to the toe pad, ideally when your pet is laying down, as shown in the photo. Do not pull the leg tight; leave some natural bend. Rear Leg Height 14 16 17 20 21 22

RLH Wheel Size Hole Size Struts (Set of 2) 8 – 11″ 4″ 1/4″ 6″ 10 – 13″ 8″ 1/4″ 6″ 12 – 15″ 8″ 1/4″ 9″ 14 – 17″ 12″ 1/2″ 9″ 15 – 18″ 8″ 1/4″ 12″ 17 – 20″ 12″ 1/2″ 12″ 19 – 22″ 16″ 1/2″ 12″ Walkin’ Wheels LARGE

5″ 25 – 60 lbs 7″ Large 3

Take a tape measure and measure the Walkin’ Wheels strut from end to end

Do not pull the leg tight

5″ 60 – 88 lbs XLarge 31

Measure the girth of your dog’s chest right behind his front legs all the way around the body (the widest part of the rib cage)

Wheelchair Size Width of Wheelchair Connector Size Walkin' Wheels Mini  3 - 4

Wheelchair Size Rear Leg Height Strut Wheel Medium* 10-12" 6" 8" Medium 13-14" 9" 8" Medium 15-18" 12" 8" Med/Large 14-16" 9" 12" Med/Large 17-20" 12" 12" Med/Large 21-22" 12" 16" *The Medium 6” strut and 8” wheel front attachment is also for the 44-70lb Corgi Wheelchair

top of paw to hock Weight XSmall 1

Size Weight Length Neck Size XSmall 9 – 12 lbs 11″ 7″ – 9″ Small 10 – 19 lbs 13

5 – 30″ 17

These measurements will determine what size Front Wheel Attachment you need