The JS Type bracket can lock the wheel to stop the caster. This was designed under the assumption that it is combined with the pneumatic rubber / airless wheel produced by our company. If this is combined with a tire whose outer diameter is not within the range below, the tire may slip or the tire may interfere with the stopper mechanism. Use the tire with the specified air pressure. 
Unit: mm
Model
Number
Compatible Tire Diameter
(Rough Standard)
JS61/2x2-3 177~173
JYS61/2x2-3 177~173