1 Material:PU cast

2 Size:55mm*35mm

3 Rebound:60%-80%

4 Hardness:78a-85a

5 color:customized

Diameter: 55mm

Width:35mm

Contact patch: 24mm

Outside Lip: Radiused edge

Inside Lip:   Radiused edge

Hub placement :   Centerset wheels

Duros:

HR78A----------------------Rebound:55-60%

SHR78A-------------------- High rebound :60-65% 

SHR78AA------------------ Super High rebound :70-75%  good abrasion resistance,PU materials mainly imported.

SHR78AB------------------ Super High rebound :75-80%     best abrasion resistance ,All the PU materials imported from Germany  and Japan.

HR83A----------------------Rebound:55-60%

SHR83A-------------------- High rebound : 60-65% 

SHR83AA------------------ Super High rebound :70-75%  good abrasion resistance,PU materials mainly imported.

SHR83AB------------------ Super High rebound : 75-80%   best abrasion resistance ,All the PU materials imported from  Germany and Japan.

HR85A----------------------Rebound:55-60%

SHR85A-------------------- High rebound : 60-65% 

SHR85AA------------------ Super High rebound :70-75%  good abrasion resistance,PU materials mainly imported.

HR85AB------------------ Super High rebound : 75-80%   best abrasion resistance ,All the PU materials imported from  Germany and Japan.