brand: Shimano model: 105 Rim Brake Groupset type: Road Bike Groupset series: Shimano 105 speed: Model-dependent drivetrain: Model-dependent shifting system: Mechanical Shifting brake type: Rim Brake compatibility: Shimano 105 road drivetrain components with compatible rim brake calipers and wheelset material: Aluminum alloy and composite components finish: Black technology: Shimano precision shifting and rim brake technology features: Smooth and reliable shifting, responsive braking performance, ergonomic control levers, durable construction, and dependable road cycling performance use case: Road cycling, racing, endurance riding, training, and road bike builds condition: Original / Genuine color: Black