Less than 4 degrees not available with less than 1" (2.5 cm) (Rear Wheel Spacing).

Less than 4 degrees and less than 1.25" (3.2 cm) (Rear Wheel Spacing) not available with Desk Arms.

Greater than 0 degrees not available with Power Adaptable Frame.

Greater than 2 degrees not available when both Heavy Duty Frame & Spinergy LX Rear Wheels are selected.