This spring holder replaces kit-standard parts to allow more precision of roll spring placement, thereby facilitating improved roll damper performance and reduced wear and tear on the joint.

This spur gear adapter allows the use of many of Tamiya's spur gears found in some of its Touring Car machines to be used with the RM-01 chassis kit.

• Enables attachment of following gears to RM-01chassis: 04 Module Spur Gear 105T (TA05) (53857) TB-03 04 Module Spur Gear (96T) (54055) FF-03 04 Module Spur Gear (102T) (54227) TB Evolution 3 Spur Gear (50978) TRF415 Spur Gear (102T) (51056) TA05 Spur Gear(70T) (51215)
• Compatible with RM-01 Chassis.

The set contains 4 different springs to allow fine pitch damper setting adjustments to match the characteristics of a particular circuit.

Specs and Features

• Pitch Springs (Super Soft, Soft, Medium, Hard) x 1pc. each.
• Compatible with RM-01 chassis.
• Also Compatible with F103 & F104 Chassis installed with Tamiya 54341 Alu. Pitch Damper Set

By adding these spacers to the rear shaft of the RM-01 chassis, rear tread width can be finely adjusted to match track conditions.

Specs & Features

• Spacer (0.5mm thick) x 2pcs.
• Spacer (1.0mm thick) x 2pcs.
• Compatible with RM-01 chassis.

The Aluminum motor adapter replaces the kit-standard parts to increase motor heat dissipation efficiency.

This adapter can also be used on F104 chassis machines to enable installation of a Type 380 motor.

Specs and Features

• Aluminum Motor Adapter x 1
• Screws included.
• Compatible with RM-01 and F104 chassis machines.

This 3mm thick carbon plate can be used in place of the kit-standard parts to further increase chassis rigidity to match track conditions.

Specs and Features

• Carbon Rear Body Mount Plate x1
• 3x8mm Screw x3
• 5mm Ball Connector Nut x1
• TA05 Steering Post (Blue) x2
• 3mm Nut (Thin) x2
• Compatible with RM-01 chassis

This is a precision blue anodized aluminum motor mount that replaces the kit standard parts to improve motor section rigidity while also offering efficient motor heat dissipation.

• Aluminum Motor Mount (R) x 1
• Aluminum Motor Mount (L) x 1
• Aluminum Motor Shaft x 1
• Height adjustable rear shaft holder parts and screws included.
• Compatible with RM-01 chassis.

These are the uprights that are included as standard parts for item 84262 F104W GP Edition.

These uprights allow the user to alter two settings; the axle shaft position and the trail position can be changed.

These adjustments enable fine adjustments to match track conditions.

Left and right uprights are asymmetric, so more settings are possible by switching the left and right uprights or installing spacers.

In addition, each upright has 3 steering rod attachment positions to change steering response.

The included spacers allow ground clearance adjustment as well.

• Aluminum Upright A (Blue) x 1
• Aluminum Upright B (Blue) x 1
• Screws, spacers, and ball connectors also included.
• Compatible with F103, F104, and RM-01 chassis machines.

This 2.5mm thick carbon-fiber lower deck replaces the kit-standard FRP component to increase overall chassis rigidity and bring out the chassis' maximum potential.

It has an additional hole to allow the installation of a small steering servo.

Specs & Features

• RM-01 Carbon Lower Deck x 1pc.