SE Bikes Palisade 21-Speed Comfort Bicycle Main frame: SE 1 alloy, with water bottle mount Fork: Sun tour SF9-M3000AL 700c, 1 1/8 Hi-Ten steerer, 63mm travel Rear derailleur: Shimano Altus, 7-speed Shifters: Shimano Tourney Revo shifter, 21-speed Tires: Hybrid, 27 tpi, 700c x 35c