CTR - Carbon Fiber Road Bike-GreenComponent Specification Frame ROCKBROS 700C Carbon Fiber Frame Front Fork ROCKBROS Carbon Fiber Fork Handlebar Integrated Carbon Fiber Aero Handlebar Stem Integrated Carbon Fiber Aero Stem Saddle DDK Saddle Seatpost Carbon Fiber Seatpost Shifters ShunTai 212 Speed Shifters Derailleurs ShunTai 212 Speed Derailleurs Cassette 12 Speed 1132T Freewheel Brakes ShunTai Hydraulic Disc Brakes with 160mm Rotors Crankset Driving Hollow Crankset 170mm 50 34T Rims

Also please feel free

It's portable

Compatible with all major bike types—mountain

Rod Diameter: 1/4″ solid stainless steel

【Anti-Vibration Protection】Features dual-layer springs and four shock-absorbing rubber dampers to minimize vibrations from rough terrain

Weight：≈122g

rechargeable power

thanks to super soft and comfortable silicone nose pads and durable gunmetal arms/hardware

No UV brighteners

Covered with anti-cutting PVC

One universal battery replaces multiple product-specific batteries

turn it upside down and put it on your roof