Giro Manifest Spherical Helmet - S - Black - Black - Open Face netsuite-webdata-created or 12-speed Shimano

or 12-speed Shimano

Shimano and Yamaha (Optional Light Cable Required)

Compatible with all frame materials and finishes

and is compatible with 9 and 10-speed drivetrains on frames with regular 135mm or 142mm spacing

Giro Manifest Spherical Helmet - S - Black - Black - Open Face netsuite-webdata-created or 12-speed ShimanoWith Spherical Technology, best in class ventilation, deep coverage and luxurious comfort, Manifest is the most premium trail riding helmet available. Among the Manifest's extraordinary features is Spherical Technology, which utilises a ball and socket design powered by Mips, the market leading brain protection system that helps to reduce rotational forces. Spherical Technology allows the outer liner to rotate around the inner liner during a crash and