Terious THUNDER

Super Strong and Durable for hard jumper

Fatty wall-thickness Chromoly lower cup

Bigger sized balls on lower unit for more durable

Fully Sealed Mechanism


Technical Information


  Material   Height Information
Compression ring Nylon Plastic 4.0mm ID 28.6mm
Top Cone SS41 Steel 6.9mm ID 30.0mm +0 -0.1
Upper Stationary Cup SS41 Steel 16.6mm Insertion 34.0 +0.1 -0/ 8mm depth
Lower Stationary Cup SS41 Steel 22.0mm Insertion 34.0 +0.1 -0/ 8mm depth
Crown Cone SS41 Steel 6.6mm Insertion 30.0 +0 -0.1
Upper Seal Ring Nylon Plastic 2.1mm  
Lower Seal Ring Nylon Plastic 1.0mm  
Upper Ball Retainer Chorome Balls Steel #800 5/32"x 22 Balls
Lower Ball Retainer Chorome Balls Steel   3/16" x 15 Balls