Hot Racing - 30/12T Steel Helical Diff Ring/Pinion Front Gear Set, for GROM Tires Wheels Inserts Super Soft corresponds with the existing Ultima

corresponds with the existing Ultima RB7

Ni-MH battery pack and USB Charger included

Speed: 10sec @ 11

Whether you are racing at the track with your 2wd buggy

Charge Power: DC input 2x100W

Hot Racing - 30/12T Steel Helical Diff Ring/Pinion Front Gear Set, for GROM Tires Wheels Inserts Super Soft corresponds with the existing UltimaHot Racing Hi Torque steel helical spiral 30T 12T Front gear set for GROM 1 18 4WD. COMMENTS: Replaces Front Diff Ring Pinion form ARA311177 and ARA31182 Must replace as a set Includes: One (1) 30 tooth diff spiral cut ring gear One (1) 12 tooth spiral cut rear pinion gear Required to Complete: Installation following kit manual must replace as a set. Medium threadlock (blue threadlocking compound) if screws are threaded into metal. Hot Racing SPL10G05