Diamondback Trace XT Street Hybrid Bike - 2015 Performance Exclusive Diamondback aluminum frame with forged top and down tubes is outfitted with a premium Rock Shox Paragon air fork and 65mm of front end suspension. High end Shimano compontents, like the SLX shifters, XT rear derailleur, Deore cranks, and hydraulic disc brakes take this multisport platform to a whole new level. Kenda Slant Six 29er tires are mounted to DB's aluminum, doublewalled rims