ARRMA 19T 0.8Mod Safe-D5 RC Pinion Gear - ARA311002

The ARRMA ARA311002 is a 19-tooth, 0.8 module pinion gear with a Safe-D5 bore, designed as a direct-fit spare or ratio-change option for a wide range of ARRMA electric RC cars. The Safe-D5 interface is ARRMA's secure motor shaft mounting system, which uses a flat-to-flat design to prevent slipping under load. This pinion gear is compatible with numerous ARRMA 1/8 and 1/10 scale models across the Senton, Typhon, Talion, Kraton, Outcast, Limitless, Infraction, Felony, and Notorious lines, making it a versatile part to keep on hand for maintenance or gear ratio tuning.

Key Features

• 19-tooth count with 0.8 module pitch, suited to ARRMA's standard drivetrain gear mesh
• Safe-D5 bore design provides a secure, slip-resistant fit on compatible ARRMA motor shafts
• Direct replacement part referenced as ARA311002 in ARRMA's official spare parts listings
• Compatible across a broad spread of ARRMA 1/8 and 1/10 scale electric models — see the Compatible With list for confirmed fitment
• Swapping pinion tooth count alters the drive ratio, affecting top speed and torque characteristics

Compatible With

• ARRMA Senton 4x4 V3 MEGA (ARA3505T1, ARA3505T2, ARA3505T3)
• ARRMA Senton 4x4 V3 BLX (ARA3521T1, ARA3521T2, ARA3521T3)
• ARRMA Senton 6S BLX (ARA3537T1, ARA3537T2, ARA3537T3)
• ARRMA Kraton 4S V4 (ARA4302V4T1, ARA4302V4T2, ARA4302V4T3)
• ARRMA Kraton 6S V4 (ARA4303V4T1, ARA4303V4T2, ARA4303V4T3)
• ARRMA Typhon 4S V4 (ARA4305V4T1, ARA4305V4T2, ARA4305V4T3)
• ARRMA Typhon 6S V4 (ARA4306V4T1, ARA4306V4T2, ARA4306V4T3, ARA4306V4T4)
• ARRMA Talion 6S V4 (ARA4312V4T1, ARA4312V4T2, ARA4312V4T3)
• ARRMA Outcast 4S V4 (ARA4315V4T1, ARA4315V4T2, ARA4315V4T3)
• ARRMA Limitless V2 (ARA4404T1, ARA4404T2)
• ARRMA Infraction 6S V2 (ARA4408V2T3, ARA4408V2T4)
• ARRMA Infraction 4S V2 (ARA4410V2T3, ARA4410V2T4)

What's Included

• 1x ARRMA 19T 0.8Mod Safe-D5 Pinion Gear (ARA311002)