The Oversized Pulley Wheel System for Shimano Dura Ace 9200 and Ultegra 8100 with integrated stop tower for simple installation and durability

it combines breathability and insulation while delivering reliable performance on every ride

The Mechanism Jersey is built for riders who demand speed

making it ideal for riders seeking competitive advantage on demanding terrain

4223 mechanism pro jersey black Size:XS The Oversized Pulley Wheel SystemThe Mechanism Pro Jersey combines structurally mapped fabrics with a speed optimised construction to deliver a true pro level fit. Every detail is precisely calibrated for performance and a second skin feel, from the custom developed 4D stretch woven fabrics to the refined finishes and construction. The result is a jersey that reflects our pursuit of a new calibre of professional cycling apparel.