120mm Remote Reservoir Internal Spring Shocks (2)

120mm Remote Reservoir Internal Spring Shocks (2)


Hot Racing 



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Hot Racing 120mm internal spring air damper shock set with piggyback reservoirs for rock crawlers or other custom projects


  • Adjustable piggyback air reservoir with internal spring, adjustable preload, and internal piston
  • Shock has air damping and minimal shock lubricant is need to only provide smooth shock action
  • CNC machined aluminum shock bodies, black anodized
  • CNC machined aluminum upper shock cap with o-ring seal, silver anodized
  • CNC machined aluminum lower shock cap with shock shaft guide, black anodized
  • Precision machined 7mm stainless steel shock shaft for durability
  • Double o-ring lower shaft seal
  • Air damping
  • Internal springs with three rates included: Gold (soft), Black (medium), Silver (stiff)
  • All aluminum is anodized for durability, corrosion resistance, and great looks

In the Package:

  • Two (2) assembled piggyback shocks
  • Two (2) gold (soft) main shock springs
  • Two (2) black (medium) main shock springs
  • Two (2) silver (stiff) main shock springs
  • Two (2) gold (soft) reservoir springs
  • Two (2) black (medium) reservoir springs
  • Two (2) silver (stiff) reservoir springs
  • Two (2) 4.8mm ball mounts
  • Two (2) 5.8mm ball mounts
  • Mounting hardware


  • Extended center to center length: 120mm (4.7 inch)
  • Compressed center to center length: 79mm (3.1 inch)
  • Overall length: 128mm (5.0 inch)
  • Body diameter: 13mm (0.5 inch)
  • Shaft diameter: 7mm (0.3 inch)


  • Installation on vehicle
  • Recommended to use Team Associated Green Slime ASC1105 on lower o-ring seals to assist sealing and increase smoothness


  • Variants available include: TD100RR01 (100mm), TD120RR01 (120mm)
  • Replacement shock o-rings are Hot Racing RTD48RR
  • Replacement reservoir o-rings are Hot Racing RCV14R
  • Replacement internal shock springs are Hot Racing RTD120P

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