![secondary transmission gear assy Top Racing 15/39 for Derbi GP1 50 2T Open 06-09 E2 [VTHPR1B1A]](images/mittel/25810_getriebe_topracing_piaggio_web.jpg "secondary transmission gear assy Top Racing 1539 for Derbi GP1 50 2T Open 06-09 E2 [VTHPR1B1A]")
The Portuguese tuning specialists, Top Racing, are a symbol of high quality scooter components. Due to Advanced production techniques, and over 50 years of experience many European brands entrust their tuning to Top Racing. The relatively simple installation of The Top Racing transmission is another reason to look no further than the Portuguese brand.
To increase performance and speed, you need more power and also a longer gear. Since most vehicles are factory-fitted with a very short gear, you should assemble a longer gear to protect the engine from over-revving and can use more speed.
The secondary Top Racing transmission must be pressed with the original Primary gears. With a little skill, this is easy to do yourself. Perfect and also ideal for small workshops. Top Racing ratio::. 15/39 For pressed wheel shaft / main shaft.
To increase performance and speed, you need more power and also a longer gear. Since most vehicles are factory-fitted with a very short gear, you should assemble a longer gear to protect the engine from over-revving and can use more speed.
The secondary Top Racing transmission must be pressed with the original Primary gears. With a little skill, this is easy to do yourself. Perfect and also ideal for small workshops. Top Racing ratio::. 15/39 For pressed wheel shaft / main shaft.
