The stock Axial Yeti transmission internal ratio is: 1

Which allow the measurement from 14mm to 50mm

Features a precision machined case with an integrated heat sink to lower operating temperatures

The TCU-01-unit sensor offers easier adjustment

Team FastEddy - Tamiya 620 Rubber Sealed Replacement Bearing 2x6x2.5mm (10) MVK150000 The stock Axial Yeti transmissionFastEddy Bearings are a high quality steel chrome bearing with 2 Rubber Seals. Time has proven this bearing for exceptional performance and durability in the Hobby Industry including RC Cars, Boats, Robotics, Bicycles, & many other uses. (10) 620 Rubber Sealed Replacement Bearing 2X6X2. 5