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.

These durable, lightweight titanium screws can be used on various sections of R/C car kits.

The 2x5mm screws can replace standard steel screws which secure side links on the RM-01 and the Formula One F104 ver.II chassis kit.

The 2x8mm screws can replace standard steel screws which secure ball connectors on the servo saver and front uprights of the RM-01 chassis.

These lightweight, aluminum ball connectors are designed for use with the RM-01 chassis' steering section and feature a fluorine coating to ensure smooth steering operation.

They have a lower height than the kit-standard parts and settings may be adjusted through the use of spacers available separately.

Specs & Features

• Fluorine Coated Ball Connector x 4pcs.
• May be used with the RM-01 chassis.

The kit included N (front suspension arms) parts are made of a glass filled plastic. These Hop-Up-Option N parts are made of CARBON filled material plastic. By using carbon filled suspension arms you will notice less flex during hard cornering. The use of using carbon filled plastic also yields a part that is lighter in weight compared to the standard part.  

• Lightweight, reinforced parts offer improved handling and the ability to apply a more precise set-up to your machine.
• Includes one parts tree.

These RM-01 chassis fluorescent wheels can make your car more visible on the track, especially at indoor circuits or in cloudy outdoor conditions.

Specs and Features

• Fluorescent Pink Front Wheel x 2pcs.
• Fluorescent Pink Rear Wheel x 2pcs.
• Compatible with RM-01 chassis

These RM-01 chassis fluorescent wheels can make your car more visible on the track, especially at indoor circuits or in cloudy outdoor conditions.

Specs and Features

• Fluorescent Yellow Front Wheel x 2pcs.
• Fluorescent Yellow Rear Wheel x 2pcs.
• Compatible with RM-01 chassis

These are V Parts (Damper End Adjusters) for Item 54341 RM-01 Aluminum Pitch Damper Set and Item 54342 RM-01 Aluminum Roll Damper Set.

Specs and Features:

• V Parts x 2pcs.
• Compatible with Item 54341 and 54342.

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

The kit included L parts are made of a glass filled plastic.
These Hop-Up-Option L parts are made of CARBON filled material plastic. The
result of using carbon plastic in key areas of the RM-01 or F104 V.2 is
increased rigidity and the parts are lighter in weight.

The RM-01 chassis uses 1150 Ball Bearings on the front axles as standard but these steel axle shafts will enable installation of 1/8 x 5/16 ball bearings which are also widely available.

The use of these axles will also allow you to use different branded wheels and tires for more tuning options.

Specs & Features

• Front Axle x 2pcs.
• Spacer x 2pcs.
• 3mm Lock Nut (Thin) x 2pcs.
• Compatible with RM-01 chassis.

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.

These king-pins have a durable titanium coating to increase the smoothness of the front uprights' movements.

Specs and Features

• 3x31mm Titanium Coated King Pin x 2
• Compatible with RM-01 chassis.

• Thickness: 0.3mm
• Contains 180x330mm sheets x2

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 2.5mm thick carbon plate replaces the kit-standard plastic part to increase the overall rigidity of the motor mount.

Specs & Features

• Carbon Rear Bulkhead Plate x1
• Spacers and nuts included.
• Compatible with RM-01 and F104 Ver.II 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

These are steering knuckles that can be used on the Tamiya RM-01 and F104 chassis for greater adjustability. By altering the axle shaft position, the trail can be changed, enabling 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.

These uprights were first introduced as item 54537 and the uprights were anodized in blue. This special edition set comes in black and will only be available for a limited time.

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