Back Height 16" Carton Shipping Weight 38 lbs | 39 lbs | 41 lbs Overall Height w/ 24 Wheels 37" Overall Length w/ Riggings 42" Overall Width with 24 Wheels (TR16) 22.375" (open) | 24.5" (open with mag-wheels) |12" (closed) | 23.625" (open) | 26.5" (open with mag-wheels) |12" (closed) | 26.25" (open) | 29" (open with mag-wheels) | 12" (closed) Seat Depth 16" Seat To Floor Height 19.5" Warranty Limited Lifetime Weight Capacity 250 lbs Weight w/ 24 Wheels (TR16 | TR18 | TR20) 33 lbs | 34 lbs | 36 lbs