Diamondback Trace Sport Street Hybrid Bike - 2015 Performance Exclusive Diamondback aluminum frame with forged top and down tubes is outfitted with a SR Suntour fork and 75mm of front end suspension. Shimano Acera components, like the Rapid Fire shifters and Acera derailleurs deliver much appreciated shifting predictability. DB aluminum, doublewalled rims and Tektro cabled disc brakes provide a solid riding experience.