Take your Losi Mini-T/B 2.0 to the next level of durability, performance, and reliability with the MIP TopShaft & Idler Gear Set. - Our kit is designed to reduce the rotational mass of your car by 65% leading to quicker acceleration and better braking. - Delrin Idler Gear reduces rotational noise while improving backlash in the gears - Smaller gear patch to minimize drag coefficient which helps lower motor temperatures and longer run times - Precision machined from 7075-T6 Aluminum for strength and great wear characteristics