There are two types, MR and FR, and this product is MR. Two types of instructions are included. Please refer to the instructions for the corresponding product. Please prepare the car body and mechanism separately. In order to drift with 2WD, you will need a gyro and drift wheels and tires in addition to the car body and mechanism. We recommend an offset of 8mm for the front wheels. Product description This product increases the turning angle of the Tamiya BT-01/MB-01 and enables drifting. We recommend an 8mm offset for the front wheel. The BT-01/MB-01 has two motor height options. The recommended position for drifting is the upper position. If you do not need roll with the BT-01, please attach the lever ratio conversion plate. The number of parts and materials may change without prior notice. In order to drift with 2WD, in addition to the car body and mechanism, a gyro and wheels and tires for drifting are required. Please check the Photo. We cannot change an address after the order has already been placed. We provide valid Tracking Numbers for all orders. If it is changed to Expedited, there will be no additional charge, so please rest assured. If you have any questions or issues, we are at your service. We will reply to your question or invoice within 3 days. We can’t not reply gifts or unreasonable requests such as declared amount.