Band of composite molded surprise pistons limited to two surprise absorbers with five 1.5mm holes & two 1.0mm holes. Two-way motion shock pistons assist various ways when piston travels up or down. With all the current artificial valve setup on piston, 2 holes are closed whenever piston travels upÂ… appropriate the piston travels down, the valve starts 2 additional holes thin oil techniques through 7 holes as a whole. This setup permits perfect landings from jumps, despite having a soft shock set-up. Constructed from specially-formulated Delrin composite item to offer you smooth action & durability. Well-proven molding procedure guarantees perfect piston roundness after manufacturing, slim pistons move totally within the shock systems for identical shock action in most four shocks.