HPI Bullet 3.0 MT/ST Alloy Rear Suspension Arm by GPM BMT056  [BMT056]

HPI Bullet 3.0 Mt And St Alloy Rear Suspension Arm - 1pr set - GPM BMT056
Price:
USD$19.90
Brand:
GPM
Model:
BMT056
GTIN:
4894538028683
Condition:
Brand New
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alt="HPI Bullet 3.0 Mt And St Alloy Rear Suspension Arm - 1pr set - GPM BMT056" title="HPI Bullet 3.0 Mt And St Alloy Rear Suspension Arm - 1pr set - GPM BMT056"
alt="HPI Bullet 3.0 Mt And St Alloy Rear Suspension Arm - 1pr set - GPM BMT056" title="HPI Bullet 3.0 Mt And St Alloy Rear Suspension Arm - 1pr set - GPM BMT056"
alt="HPI Bullet 3.0 Mt And St Alloy Rear Suspension Arm - 1pr set - GPM BMT056" title="HPI Bullet 3.0 Mt And St Alloy Rear Suspension Arm - 1pr set - GPM BMT056"
alt="HPI Bullet 3.0 Mt And St Alloy Rear Suspension Arm - 1pr set - GPM BMT056" title="HPI Bullet 3.0 Mt And St Alloy Rear Suspension Arm - 1pr set - GPM BMT056"
alt="HPI Bullet 3.0 Mt And St Alloy Rear Suspension Arm - 1pr set - GPM BMT056" title="HPI Bullet 3.0 Mt And St Alloy Rear Suspension Arm - 1pr set - GPM BMT056"
alt="HPI Bullet 3.0 Mt And St Alloy Rear Suspension Arm - 1pr set - GPM BMT056" title="HPI Bullet 3.0 Mt And St Alloy Rear Suspension Arm - 1pr set - GPM BMT056"

Alloy rear suspension arm for HPI Bullet 3.0

The GPM BMT056 is an alloy rear suspension arm designed for RC-scale HPI Bullet 3.0 MT and ST platforms. This replacement part is intended to serve as a direct-fit hop-up for hobby nitro short-course models, retaining stock geometry while offering a stiffer alloy alternative to factory plastic arms.

The article focuses on fitment, installation considerations, and the role this arm plays in chassis tuning. As an RC accessory, it is useful when you need improved repeatability under load, reduced flex for cornering stability, and a durable option for frequent track use.

Specifications

  • Item: Rear suspension arm, 1pr set
  • Material: Alloy
  • Model Number: GPM BMT056
  • Compatibility: HPI Bullet 3.0 MT and ST

Use standard RC maintenance practices when installing alloy arms: inspect ball studs and mounting hardware, verify pivot pin fit, and recheck toe and camber after installation to maintain predictable handling.

Will this fit the stock HPI Bullet 3.0 MT suspension without modification?

The arm is listed for HPI Bullet 3.0 MT and ST as a direct replacement, so it installs using the stock mounting points and hardware.

What tools are typically needed for installation?

Basic RC tools such as hex drivers for the mounting screws and pliers for pivot pins are sufficient; no special tools are required.

Does alloy change the suspension behavior compared with plastic arms?

Alloy increases stiffness and resistance to flex, which can improve cornering consistency but may transmit more shock to other suspension components.

Any maintenance tips after fitting alloy arms?

Periodically check pivot pins and mounting screws for tightness and inspect contact surfaces for wear; replace damaged hardware to avoid play.

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