The All-Around Bike: Big Ride; Big Fun Ermine is a USA BASED COMPANY, ready to provide you with quality products and FAST SHIPPING! We do our utmost to provide excellent customer service to you. If you have any concerns, please contact us so we can resolve any concerns you may have; before you make the decision to leave a negative review. If you are satisfied with your purchase, please take a moment to leave a positive review. Your satisfaction is our #1 priority! Customer Service: 1-800-346-6360 (28 LB ONLY) 100% assembled bike Campo Specifications Frame – 20″ 6160 Aluminum Alloy; Steel Fork; V-brake compatible Handlebar – 6° Back Sweep Black 54cm; 25. 4mm Bars Rims – 20″ Aluminum 28H; Black Anodized Tires – Wanda 20×2. 0″ off road tire Crankset – 170mm Crank arm; black SteelChainring – 48T steel chaining Shift Levers – Shimano Reva 7-speed grip shifter Rear Derailleur – Shimano Tourney 7-speed Freewheel – 14-28T 7-speed Chain – KMC Z50 7 speed chain Brakes – Alloy V-Style Brakes Brake Levers – Alloy Brake lever Grips – Ergonomic Rubber Grip Saddle – Ermine ergonomic saddle Seat Post – 580mm Black Aluminum Pedals – 9/16″ Steel/plastic Headset – 1/8″ FP-H860D Iron Other – Kickstand, Reflectors, Water Bottle Mounts