Drift Modified Pulley for Tamiya TA05-VDF By combining this product with the original parts, it can be easily changed to the Ketsuki specification (front and rear ratio F/R 1:1.4). Enjoy a powerful drift ride with counter steers. Includes: 1 x 18T Center One Way Pulley, 1 x 21T Center Pulley, 1 x 30T Rear Pulley, 1 x Rear Reinforced Belt 3M-471 x Belt Tensioner Part. *Not for use with "#3860 TA05 Drift GRT Chassis Set" #3480 SP AL Solid Axle: For Tamiya TA05 Ver2 \1, 380 must be used together.
(From Amazon.co.jp)