It is a roller bearing platform over which one front wheel is slowly driven with the wheels in their straight ahead position. Sold individually. 2 Wheels - Motorcycle. Not always. as you may require it in the event of a claim with your carrier.
Gunson Trakrite Wheel Alignment Gauge G4008
Gunson Trakrite Wheel Alignment Tracking Gauge Tool + Balance Board + Camber Bar
(BS) Gunson Trakrite Wheel Alignment Gauge Balance Board Tool DIY Home Tracking
Gunson Trakrite Wheel Alignment Drive On Gauge Tool + Camber Castor Gauge Tool
Gunson G4008 Trakrite Wheel Alignment Gauge Tool