Giro Aerohead Helmet Shield - Clear Triathlon 1x Lever Option is a

1x Lever Option is a trigger-style under handlebar design optimized for use with a 1x drivetrain

so you just need to remove your own rear wheel and attach the frame

Fast-acting antiwear ingredient system provides reliable protection from the start

The design effectively dampens shocks and vibrations

the XG-1299 cassette is available in Gold and Rainbow

Giro Aerohead Helmet Shield - Clear Triathlon 1x Lever Option is aThe Aerohead Helmet Shield will replace your lost or broken eye shield for the Aerohead Mips helmet. The wrap around eye shield offers unblocked field of view, crisp and clear vision, and aerodynamic benefits Mfr Claimed Weight TBC