700c Sports Bike, Track Bicycle SR-GW24

700C Track bicycle Sports bike   PECIFICATION: 1. Frame: Aluminum alloy  , 700c*23c imitation road bike frame, H/T: Ø 50*44*130L; T/T: 34.9/44.9*1.8T, OPEN: 3/8*135L2. Fork: Alloy, 25.4*28.6*1.6T*195L, threadless, Open: 3/8*95mm3. Handlebar: Special bend handlebar for road bike. 25.4*1.8T. White handle ribbon4. Stem: Aluminum alloy, extending 80mm, 4PCS nails fixed handlebar, 7° 5. BRAKE SETS: Brake: Z. STAR AS2.4D alloy caliper brake special for sports bike, H=67mmBrake lever: Shimano A073, Dual Control lever6. DRIVE SYSTEM: Chain ring: Steel, Prowwheel A1-220 1/2*3/32*38*52TCrank: Aluminum alloy crank, 175LChain: KMC chain, 21SP, index, with shimanoA0707. WHEEL SETS: Tire: KENDA 700C*23C, BK tireInner tube: KENDA 700c*23C, Butyl rubber, Presta ValveRim: Alloy rim, 700c*32H*14G H=50mm, Presta ValveHub: F: 3/8*14G*32H*92*135mm, R: 3/8*14G*32H*135*175L 601R. 8. GEAR SHIFT SYSTEM: Shift lever: Shimano ST-A073 Dual control brake lever(2*7SP)Derailleur: Shimano FD-A070 RD-A070Freewheel: Sunrace freewheel, index10. Saddle: Imitation MTB saddle, PVC. Alloy seat post with clamp11. Packing: SKD85% 1PC/CTN, wraped air bubble film. Carton size: 137*0.185*71cm. G. W.: 18KG