TRAXXAS UNLIMITED DESERT RACER Rear L-shape Damper 139mm UDR139R/L by GPM  [UDR139R/L]

TRAXXAS UNLIMITED DESERT RACER Aluminum Rear L-shape Spring Damper (139mm) - 2pc set - GPM UDR139R/L
Price:
CAD$56.70
Brand:
GPM
Model:
UDR139R/L
GTIN:
4894538315899
Condition:
Brand New
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alt="TRAXXAS UNLIMITED DESERT RACER Aluminum Rear L-shape Spring Damper (139mm) - 2pc set - GPM UDR139R/L" title="TRAXXAS UNLIMITED DESERT RACER Aluminum Rear L-shape Spring Damper (139mm) - 2pc set - GPM UDR139R/L"
alt="TRAXXAS UNLIMITED DESERT RACER Aluminum Rear L-shape Spring Damper (139mm) - 2pc set - GPM UDR139R/L" title="TRAXXAS UNLIMITED DESERT RACER Aluminum Rear L-shape Spring Damper (139mm) - 2pc set - GPM UDR139R/L"
alt="TRAXXAS UNLIMITED DESERT RACER Aluminum Rear L-shape Spring Damper (139mm) - 2pc set - GPM UDR139R/L" title="TRAXXAS UNLIMITED DESERT RACER Aluminum Rear L-shape Spring Damper (139mm) - 2pc set - GPM UDR139R/L"
alt="TRAXXAS UNLIMITED DESERT RACER Aluminum Rear L-shape Spring Damper (139mm) - 2pc set - GPM UDR139R/L" title="TRAXXAS UNLIMITED DESERT RACER Aluminum Rear L-shape Spring Damper (139mm) - 2pc set - GPM UDR139R/L"
alt="TRAXXAS UNLIMITED DESERT RACER Aluminum Rear L-shape Spring Damper (139mm) - 2pc set - GPM UDR139R/L" title="TRAXXAS UNLIMITED DESERT RACER Aluminum Rear L-shape Spring Damper (139mm) - 2pc set - GPM UDR139R/L"
alt="TRAXXAS UNLIMITED DESERT RACER Aluminum Rear L-shape Spring Damper (139mm) - 2pc set - GPM UDR139R/L" title="TRAXXAS UNLIMITED DESERT RACER Aluminum Rear L-shape Spring Damper (139mm) - 2pc set - GPM UDR139R/L"
alt="TRAXXAS UNLIMITED DESERT RACER Aluminum Rear L-shape Spring Damper (139mm) - 2pc set - GPM UDR139R/L" title="TRAXXAS UNLIMITED DESERT RACER Aluminum Rear L-shape Spring Damper (139mm) - 2pc set - GPM UDR139R/L"
alt="TRAXXAS UNLIMITED DESERT RACER Aluminum Rear L-shape Spring Damper (139mm) - 2pc set - GPM UDR139R/L" title="TRAXXAS UNLIMITED DESERT RACER Aluminum Rear L-shape Spring Damper (139mm) - 2pc set - GPM UDR139R/L"
alt="TRAXXAS UNLIMITED DESERT RACER Aluminum Rear L-shape Spring Damper (139mm) - 2pc set - GPM UDR139R/L" title="TRAXXAS UNLIMITED DESERT RACER Aluminum Rear L-shape Spring Damper (139mm) - 2pc set - GPM UDR139R/L"

139mm Rear L-shape Aluminum Damper Set

This rear L-shape spring damper set fits the TRAXXAS UNLIMITED DESERT RACER as an aftermarket upgrade to improve rear suspension control. The pair lowers internal friction and soaks up hits on rough terrain so the car keeps stability during long desert-style runs.

Key hardware updates versus standard shocks focus on ruggedness and consistent fluid flow: coil spring wire is thickened to 2.0mm for a firmer spring rate while still allowing original springs to be used if a softer setup is needed, and the damper shaft diameter grows to 5.0mm to resist bending under heavy loads. The aluminium damper body and a sealed spring retainer help reduce leakage, while the L-shape piggy-back reservoir increases oil capacity for smoother damping over long travel.

Installation notes: this is a rear suspension replacement and requires basic disassembly of the rear shock mounts. Standard shock tools like hex drivers and shock pliers are used. The kit suits hobbyists tuning spring rates and damping for handling or endurance rather than visual modification.

Specifications

  • Item: Rear L-shape Spring Damper set
  • Material: Aluminum damper cylinder
  • Model Number: GPM UDR139R/L
  • Compatibility: TRAXXAS UNLIMITED DESERT RACER
  • Length: 139mm
  • Spring wire thickness: 2.0mm (thickened)
  • Damper shaft diameter: 5.0mm (thickened)
  • Reservoir type: L-shape piggy-back

If you need firmer rear support and steadier oil flow for long travel, this aluminium L-shape damper set is a direct hop-up for owners tuning their TRAXXAS Unlimited Desert Racer for control and durability.

Yes. They are made to match the stock rear shock geometry on the TRAXXAS UNLIMITED DESERT RACER so standard rear mounts are compatible.
Yes. The design accepts the original springs if you want a softer setup instead of the thicker 2.0mm spring for a firmer response.
Inspect seals and check for oil leaks after a few runs, and replace shock oil periodically to keep damping consistent, especially after heavy off-road use.
The package contains 2pcs rear spring dampers for the rear suspension.

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