2S 7.4V 5200mAh 50C LiPo Battery Pack w/ EC3 Plug Hard Brand_J Concepts Output Shaft (type / 0mm):

Output Shaft (type / 0mm): Standard 25

It will requires a bigger Pinion Gear

starting with the most fashionable racing look

qty 1 CR10 Ring Gear [30T]

not just copy it

2S 7.4V 5200mAh 50C LiPo Battery Pack w/ EC3 Plug Hard Brand_J Concepts Output Shaft (type / 0mm):The 2 cell 5200mAh 50C LiPo is perfect for 1 10 & 1 8 scale cars, trucks, and buggies and Boats. Features a huge capacity for extended run times and a gigantic C rating so you'll have all the power you'll ever need. High end performance and reliability at an affordable price Perfect for 1 10 scale cars, trucks, buggies, Boats Features a huge capacity for extended run times and a gigantic C rating so you'll have all the power you'll ever need 100C