philip magnesium alloy road bicycle adult office worker variable speed disc brake road bike student campus bicycle

space silver bent handlebar wire dish knight gray bent handlebar wire disc obsidian black bent handlebar wire disc space silver straight handle wire dish knight gray straight handle wire disc obsidian black straight handle wire disc obsidian black handle screw

24-speed blueprint variable speed 27-speed blueprint variable speed 30-speed blueprint variable speed 16-speed blueprint gate becomes integrated 18-speed blueprint gate becomes integrated