iRiX Headset ZS TopiRiX is a composite of Iris the Greek goddess and personification of the rainbow, and the Roman numeral IX. We feel this name embodies the core DNA of Industry Nine. iRiX accompanies our A35 and A318 stems bringing riders top of the line, fully customisable cockpit upgrades. iRiX bearing cups, top covers and top caps are machined, anodised and laser etched using US sourced 7075 aluminium in Asheville, NC USA. Available in every common modern size and

Each tooth is carefully crafted to fit perfectly with the chain's links

AX Suede synthetic leather

- Waterproof USB-C connection for reliable performance

With an adjustable tension screw

Optimized upper pattern to maximise foot support and ventilation

contemporary design

Bearing Code: S6901

with the durable mesh panels on the front of each leg

the Circuit platform has grown to suit various models and cycling disciplines

Display - Shimano EN600

Outer Plate: Nickel

Please note that E-tube EW-SD50 wires are not included with the Shimano Non-Series Di2 SM-EW90-A E-Tube Di2 Junction-A