Arrma Option Parts

Arrma Mega/3S BLX CNC Input Gear (13T)

Arrma Mega/3S BLX CNC Input Gear. This optional input gear is CNC machined from high quality materials for a durable and accurate fit. Package includes one input gear.NOTE: Requires Composite Differential Case (ARA310772) and the CNC Crown Gear...

Arrma Mega/3S BLX CNC Crown Gear (37T)

The Arrma Mega/3S BLX CNC Crown Gear is an optional crown gear intended for select 3s BLX/Mega 4x4 550 models. Package includes one metal crown gear. NOTE: Must be used with Metal Input Gear (ARA310886) and Composite Differential Case (ARA310772).

Arrma 3S BLX Motor Heatsink

Arrma Typhon 3S BLX Motor Heatsink. This aluminum motor heatsink keeps your motor running cool when the action heats up.Features:Precisely manufactured for an excellent fitBlack anodized finish with etched ARRMA logo for cool looksConstructed from...

Arrma Big Rock, Senton, Granite 4x4 Slipper Shaft (Red)

This is a Arrma 4x4 Red Anodized Slipper Shaft for use with the Arrma Big Rock Crew Cab, Granite, Typhon and Senton 4x4 kits. This high-quality slipper shaft is an ideal replacement part for your kit supplied item. Features:Precision machined from...

Arrma BLX 4x4 20T Pinion Gear (0.8 Mod)

This is an Arrma BLX 4x4 20T 0.8mod Pinion Gear, intended for use with BLX 4x4 Senton and Typhon kits.Features:Precisely manufactured gear teethStrong set-screw Formed with the tooth count molded into the pinion boss for easy size recognitionIncludes:(1)...

Arrma 4X4 Mega CVD Slider Set

This is an optional Arrma 4X4 Mega CVD Slider Set, intended for use with the 4x4 and BLX Granite, Senton and Typhon kits. This CVD slider drive shaft set is super-strong and offers ultra-smooth power transfer from your differential to your wheels...

Arrma 4X4 Mega CVD Pin Set

This is a replacement Arrma 4X4 Mega CVD Pin Set, intended for use with the Mega 4x4 and BLX 4x4 models of the BigRock, Granite and Senton kits.Features:Precision manufactured CVD barrel for smooth and consistent performance on all surfacesSuper-tough...

Arrma 4X4 Mega CVD Diff Outdrives (2)

This is an optional set of two Arrma 4X4 Mega CVD Diff Outdrives, intended for use with the Mega 4x4 and BLX 4x4 models of BigRock, Granite and Senton kits. These super-strong CVD diff outdrives are ultra-reliable.Spare part for...

Arrma 4X4 Mega CVD Composite Slider

Arrma 4X4 Mega CVD Composite Slider. Package includes two replacement slider shafts and two slider shaft collarsSliding drive shaft is precision manufactured from super-strong composite material for super-smooth operation - Strong steel CVD balls are...

Arrma Composite Differential Case

This is an Arrma Mega BLX 4x4 Composite Diff Case, intended for use with Mega and BLX 4x4 models of the Bigrock, Granite, Kraton, Outcast, Senton and Typhon models.Features:Precision manufactured for accurate fit of differential internal...

Arrma Steel Mod1 Pinion Gear (w/5mm Bore) (22T)

These Arrma Pinion Gears are MOD1 and are offered in a variety of tooth counts. Each package includes one Steel pinion gear and one set screw.Features:Strong and durable steel for long-lasting performance in extreme RC conditionsPrecision manufactured...

Arrma 17mm Aluminum Wheel Nut (Black) (4)

This is a pack of four replacement Arrma 17mm Aluminum Wheel Nuts. These nuts are serrated on one side.