PURE

105 Mechanical
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PURE

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.

TOP-CLASS MECHANICS

Reliable, affordable performance and maintenance-friendly components make Shimano 105 Mechanical 12-speed your optimal choice for a self-powered adventure.

12-SPEED
COMFORTABLE SHIFTING

COMFORTABLE SHIFTING

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.
ENHANCED ERGONOMICS
RELAXED GRIP

RELAXED GRIP

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.
GREAT RANGE
MASTERING MOUNTAINS

MASTERING MOUNTAINS

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.
PURE JOY
PURE JOY

FEELING FREE

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.
Ready to Ride Mechanical?
105 Mechanical