Trek Superfly 20
Trek Superfly 20 Trek Superfly 20 Trek Superfly 20 Trek Superfly 20
Race-tuned frame, inspired by our super-fast adult Superfly  
Frame, components, and riding position are single-track ready  
Fits right from the start, and will grow with the rider  
Trek quality = safety on the trail  
Weight 8.16 kg / 17.99 lbs  
Frame 20 Dialed frame size, Alpha Silver Aluminium  
Fork Dialed 20" alloy  
Wheels Formula alloy hubs, 20" 32-hole alloy rims  
Front Hub Formula TK31 alloy  
Rear Hub Formula FM31 alloy  
Rims 20" 32-hole alloy  
Tires Bontrager XR1, 20x1.85"  
Shifters Shimano Tourney RS35, 6-speed twist  
Rear derailleur Shimano Tourney TY300  
Crank Alloy, 32T  
Bottom bracket Sealed cartridge  
Cassette SunRun freewheel, 14-28, 6 speed  
Chain KMC Z50  
Pedals Dialed 9/16", platform  
Saddle Dialed 20" size, padded  
Seatpost Bontrager alloy, 2-bolt head, 27.2mm, 8mm offset  
Handlebar Bontrager alloy, 31.8mm, 15mm rise  
Stem Bontrager Elite, 31.8mm, 7 degree, Blendr compatible  
Grips Dialed, Kraton  
Headset VP 1-1/8", semi-integrated  
Brakeset Alloy linear-pull brakes, Dialed alloy levers  
Link to this model on  
Upgrades from department store bikes
The best materials and manufacturing  
Professional assembly  
Designed, crafted, and sold by people who care about bikes and their riders