Make conversion step one at Thunderbike. Check! Move on the seat and just have fun. Check! Our customer from Gladbach did everything right. The Street Bob is considered to be the entry into the Big Twin class, but offers the full range of power and modern technology as well as its higher priced sister models. With the Milwaukee-Eight 107 in the new, stiff Softail frame, it lies one class above the Sportys and can be circled around corners just as easily as this one ...