14S Outdoor Road Bike Bend Handbar 15cm 700cc Tire High Carbon Steel Road BikeSpecification:Brand: KOLUSSIMaterial: High carbon steelBearing weight: 120kgSize: 52cmRemovable: YesColor: Silver、BlackSpeed: 21Suitable for height: 160-180cmConfigure Details:          Frame       Three generations of high-carbon steel road bike frame           Front fork       Brazing retro fork           Transmission system       Japan SHIMANO TX30-21 speed siamese pull rod           Front derailleur       FD30 pull-up style           Rear derailleur       Japan SHIMANO TZ50 snail loading straight rear derailleur           Dental plate       Aluminum alloy Split 42\/52T*170L           Axis       Sealed bearings           Chain       21-speed           Brake system       Aluminum alloy           Front brake       Aluminum alloy、can be locked           Rear brake       Aluminum alloy、can be locked           Brake cable       2p speed skating sleeve           Outside tire       COMPASS 700c*23c           inner tire       COMPASS 700c*23c AV           Rim       700cc 50mm aluminum alloy CNC           Strip       45#steel           Flywheel       14-28T           Drum       Aluminum alloy           Handbar       KOLUSSI stainless steel bend handbar、28.6*540           Bend Handbar       KOLUSSI aluminum alloy           Grips       KOLUSSI mountain bike grips           Pedal       Aluminum alloy   Package includes:1 x Road Bike