Derailleur: SHIMANO TOURNEY-7 Speed
Front & rear Tektro disk brakes are standard on the Baja 48 Volt Electric Folding Mountain Bicycle along with true VELO Brand Hand Grips & Mountain Bike Seat
Rims: 26x36H Alloy Color 14/12G
In terms of motor selection
There is option to purchase Extended Lifetime Warranty for bicycle & its components
NAKTO Fat Tire, 20" Mini Cruiser 2 - 500 Watt, 48V BF Special Derailleur: SHIMANO TOURNEY-7 SpeedNakto Fat Tire Mini Cruiser 500 Watt, 48V, 8Ah Durable: high strength carbon steel and superior car paint, the bike will serve you well for years Adjustable: The adjustable saddle height suit for different needs Comfortable: Shimano 6 speed derailleur, comfortable seat post, and front shock suspension, easily assists you to enjoy your riding. Safety: HD LED headlightPowerful brakesMotor safety cutoff; Kickstand What's Included: Bike Battery charger