Shanghai Forever Co., Ltd was founded in 1940, and has established a world wide reputation for producing the Forever brand traditional bicycle, children bike, and mountain bike â€" one of the largest and best established bicycle companies in the world. Size: 53CM Color: Black / White Frame: Aluminum Alloy 6061 for Lightness Fork: 1-1/8" Cromoly Steel for Strength Headset: 1-1/8" threadless ball bearing Handlebar: Aluminum track drop bar, Width: 420mm , Ø26.0mm Stem: Aluminum 100mm Ø28mm Fit Steerer Size: 1-1/8" Crankset: DOTEK Aluminium Crank Arm Length: 170mm, Single Speed, Aluminum Chain Ring: 44 Teeth Pedals: Wellgo LU951 Alloy Pedals with Strap Toe Clip Click here Cassette: One side: 16 teeth Single Speed freewheel; The other side: 16 teeth fixed Cog, Flip Flop Type Front Hub: Quando 32H Ball Bearing Aluminum Rear Hub: Quando 32H Ball Bearing Aluminum Chain: KMC Z30-2 Single Standard Chain 1/2" x 3/32" Rims: Star Circle 47mm Aluminum Double Wall Rim Spokes: Stainless Steel Tyres: Kenda 700x23C (23-622) 110PSI Presta 60mm Tube Brake: Radius Aluminum Brake Calipers Tape: White Handlebar Tape Saddle: Velo Fabric 265x125 Seatpost: Ø 27.2 x 310mm, Aluminum Warranty: Life time on Frame, One year on parts except brake pads, tires and tubes.