Nominal seat width (mm/in)* 400 / 16 to 500 / 20|Nominal seat depth (mm/in)** 430 / 17|Front caster / Rear wheel size (in) 7 / 14|Backrest height (mm) 430 |Headrest height above seat (mm) N/A |Armrest to seat distance (mm) 230|Front location of armrest structure (mm) 330 |Seat surface height at front edge (mm) 495 to 500|Footrest to seat distance (mm) 335 ~ 415|Effective seat width (mm) 430 to 525|Effective seat depth (mm) 560|Seat plane angle (X°) 6 |Backrest angle (X°) 12|Seat to backrest angle (X°) 96 |Leg to seat angle (X°) 97 |Overall length with legrest (mm) 1000 to 1100|Overall width (mm) 575 to 680|Overall height (mm) 905 to 910|Folded length (mm) 735 to 805|Folded width (mm) 310 to 320|Folded height (mm) 705 to 750|Total mass (kg) 12.9 to 15.0|Mass of the heaviest part (kg) 9.1-13.4|Maximum user weight (kg) 115|Minimum turning radius (mm) 840 – 860|Minimum turning radius without user (mm) 710 to 740|Pivot width (mm) 1160 to 1180|Static stability downhill (X°) 17.3 |Static stability uphill (X°) 10.8 |Static stability sideways (X°) 17.3|Handrim diameter (mm) up to 530|Horizontal location of axle (mm) up to 10