Yeah Racing Hard Coated 48P Aluminum Pinion Gear Set (21, 22, 23, 24, 25, 26T) (3.17mm Bore) A Arms 4V: 861 oz-in (62 kg-cm)

4V: 861 oz-in (62 kg-cm) Motor Type: Brushed Output Shaft: 15 Tooth Gears: Steel Weight: 195g Pulse/Frequency: 1520 / 330hz Dimensions: 2

This is the Yeah Racing 30x30x10mm Tornado High Speed Cooling Fan in Black color

which utilizes quick change gearing

Front A-Arms: ARRMA 1/10 3S BLX 4x4 Big Rock

Yeah Racing Hard Coated 48P Aluminum Pinion Gear Set (21, 22, 23, 24, 25, 26T) (3.17mm Bore) A Arms 4V: 861 oz-in (62 kg-cm)The Yeah Racing Hard Coated 48P Aluminum Pinion Gear Set is a great option for fine tuning your 1 10 chassis. These pinions are titanium coated 7075 aluminum. This allows for a super smooth pinion for better drivetrain efficiency. Features: Perfect for 1 10 scale using a 540 motor Made from 7075 aluminum Includes: (1) 48P 21T Pinion (1) 48P 22T Pinion (1) 48P 23T Pinion (1) 48P 24T Pinion (1) 48P 25T Pinion (1) 48P 26T Pinion (1) Carrying Case