Mechanical or electronic: Mechanical. Brake type: Rim brake, standard center mount. Rear derailleur: Short cage. What’s included: Shifters (Record 11), front derailleur (Record 11), rear derailleur (Record 11), brake calipers (Record Skeleton). Condition: Groupset is in good condition. Components have been tested for functionality. Mechanic’s notes: Minor scuffing on components, Minor surface corrosion on caliper hardware. Find us on Instagram. We will do everything in our power to resolve the issue.