Ο K3 EVO έρχεται έτοιμος στρωμένος. Όταν βγάλετε τον κινητήρα από το κουτί το μόνο που χρειάζεται να κάνετε είναι να κάψετε 2-4 τεπόζιτα (250-500cc καύσιμο) με 30-80% γκάζι και στην συνέχεια είναι έτ..
O.S SPEED B21 Adam Drake Edition 3 is developed in collaboration with
O.S. international team driver ADAM DRAKE, who is famous for his deep
knowledge and sound technical advice.
By adopting ..
O.S.SPEED's off-road racing engine has evolved further. The 4th
generation of the B21 series, the "B2104" has improved low-speed
response as a result of securing the power to gain an advantage in ..
For 1/8 nitro Offroad and 1/8GTMAX-B21 is easy to use from
entry-level users to sports users and has excellent cost performance.
Based on the O.S.SPEED series engine, it has a well-balanced combin..
