Ozark Trail 700C G.1 Explorer Gravel Bike, Small Frame, Green, Adult, Unisex Internal cable routing protects cables and gives the bike a clean, sleek look Frame: 6061 Aluminum Gravel bike with nutserts, Integrated Frame Mounts Fork: Steel front fork with nutserts, Quick Release Weight: 30.4 lbs Shifter: L-TWOO 2*7 speed brake and shifter dual lever Front Derailleur: L-TWOO 2 speed R5007 Rear Derailleur: Shimano Tourney 7 speed TZ500 Crank: 170mm length Bottom Bracket: Neco BC35, 122.5mm, One-piece cartridge Freewheel: 14-28T, 7 Speed Chain: 7 Speed Pedal: Plastic, Wide Platform Saddle: Gravel Saddle, steel rails, 150mm width