Giro Men's Index 2.0 Low Bridge Fit Goggles Black/Amber Scarlet Stacked + Amber Scarlet 153958 9-speed Rear Derailleur microSHIFT Advent

9-speed Rear Derailleur microSHIFT Advent RD-M618M

Is that the sound of the ocean calling your name

The GRID TRAIL casing enhances stability and control at lower pressures while increasing pinch flat resistance by 15% and puncture protection by 30%

Helmet Compatible Fulltime Contour™ Hood with Elastic Hood Gaiter and Crown Adjustment

Size 143mm / Weight 261g

Giro Men's Index 2.0 Low Bridge Fit Goggles Black/Amber Scarlet Stacked + Amber Scarlet 153958 9-speed Rear Derailleur microSHIFT AdventThe Giro Index 2. 0 Low Bridge Fit lens integrates VIVID Technology with Optics by ZEISS, enhancing contrast and definition across variable light conditions. Its cylindrical polycarbonate lens construction features an anti fog coating for consistent clarity and is optimized for bright to mixed terrain. Increased internal air volume supports fog prevention while maintaining optical precision for riders who wear prescription glasses beneath the goggle.