Lightweight, premium mechanical shifting. Introducing Shimano 105 Mechanical 12-speed. Built for boundless performance, this groupset accentuates the craftsmanship at the heart of Shimano’s Science of Speed.
Reliable, affordable performance and maintenance-friendly components make Shimano 105 Mechanical 12-speed your optimal choice for a self-powered adventure.
Choosing a 12-speed cassette means you’ll always have the high and low gearing you need. And with an intelligent progression of gear steps, riding 12-speed makes it easier to click into the most comfortable cadence.
Get a relaxed shifting experience with the next-generation ergonomic mechanical shift levers designed to fit any hand size and shape. The reduced reach – handlebar-to-lever distance – makes braking effortless and more efficient.
Using 50-34T chainrings with an 11-34T or even an 11-36T cassette (sub 1:1 ratio) means you can climb any mountain while maintaining a more manageable cadence. Additionally, Shimano 105 Mechanical’s semi-compact 52-36T setup will reduce the chance of spinning out mid-descent or when sprinting on the flats.
Self-powered adventures on the open road. No battery levels to worry about, just the essence of road cycling with a system that’s easy to maintain.
Shimano 105 Mechanical draws on our design philosophy, The Science of Speed, for efficiency, momentum, and rhythm on the road. Our 12-speed groupset harmonizes Shimano 105 Di2 elements with components perfect for high-level mechanical shifting.
Long days in the saddle require long-lasting focus. Integrated cables remove the clutter from your cockpit, providing a more focused riding experience. The dual control lever has heightened ergonomics, ensuring more comfort and control during your ride, regardless of the shape or size of your hand.
Each component of Shimano 105 Mechanical is engineered to work in perfect harmony. The CSR7101 cassette is ideal for mechanical shifts to ensure superb shifting performance. And the refined 12-step gear combination provides peak efficiency and accelerating performance for any situation on the road.
Shimano 105 Mechanical’s drivetrain has been engineered to help you preserve your energy. Take on steeper slopes with the 11-34T and 11-36T 12-speed cassettes in combination with the compact 50-34T or 52-36T crankset.
The Shimano 105 Mechanical groupset has hydraulic disc brakes with redesigned brake calipers offering 10% more clearance with the brake rotor – meaning less rubbing and a quieter ride. The system is light, durable, and maintenance-friendly, with targeted innovation to simplify the brake bleeding process.
Our aerodynamic, lightweight, and rigid RS710 C32 and RS710 C46 carbon wheels offer peak performance for a great variety of riders – at accessible prices. The C32 is perfect for accelerating and climbing, and the C46 is a great all-rounder. Both share DNA with DURA-ACE and ULTEGRA’s C36 and C50 models.