Rim size: 26''/27.5''/29''

Frame: steel frame inner painting

Fork: shock absorbing for 4210 standard

Rim: Aluminum alloy rim double wall 36H

Handlebar: Aluminum alloy 31.8 680mm with scale line

Stem: Aluminum alloy

Head parts: NECO 117DM

Front Brake: Disc brakes Saiguan Aluminum alloy 6 screws fixed

Rear Brake: Disc brakes Saiguan Aluminum alloy 6 screws fixed

Color: Customized colors (50 pieces one size one color)

F/R hub: Steel 36H

BB parts: High carbon steel Zhongya brand

Chain wheel: High carbon steel 24T*34T*42T

Gear shifter: Tridiamond gear shifter

Front derailleur: Saiguan brand

Rear derailleur: Saiguan brand

Free wheel: High carbon steel location

Chain: Kmc 108L

Pedal: Plastic with reflectors

Saddle: Customized MTB saddle PUV+PU+PP

Seat post: 28.6*300

Quick release: Aluminum alloy

Stander: High carbon steel

Tire:  26/27.5/29*2.125 air kylin tire

Wheel reflectors:  yellow

Front and Rear reflect:  White and Red