The Type A's are softer than the Type B3's and work better for cold track temps, the B3's feel more consistent than the A's over a minute run. Both the Type A and Type B3 are belted/reinforced.
Xray T4 2016 ~ ORCA Vrita VX3 ~ Speedzone 7.5
Xray T4 2016 ~ ORCA Vrita VX3 ~ Speedzone 13.5
Xray X12 2016 ~ ORCA Vritra VX3 ~ Speedzone 10.5
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