NEW Shimano GRX RX822 1x12 Mechanical Groupset - Gravel, All-Road RX820 Derailleur Cage and Cassette Range:SGS / 10-51t Designed for use with XD™

Designed for use with XD™ and XDR™ drivers only

It just clips right into the rear of the helmet and runs for up to 10 hours

DWR treated fabric (89% polyester

This gives longer uninterrupted hand positions and will allow trigger and grip/twist shifters to fit on the rearward extensions (unlike the original H-Bar and the Cut H-Bar)

Guide T (A1)

NEW Shimano GRX RX822 1x12 Mechanical Groupset - Gravel, All-Road RX820 Derailleur Cage and Cassette Range:SGS / 10-51t Designed for use with XD™SHIMANO GRAVEL COMPONENTS Whether you're new to gravel or helped define the category, SHIMANO GRX has an option for you. As the world's first gravel specific groupset, GRX offers smooth shifting, reliable braking, and exceptional gravel comfort. MORE CONFIDENCE ON ANY ROAD We've updated the GRX 12 speed RX820 and RX825 brake shifter levers to give you ultimate control on any terrain with a new shape optimized for flared handlebars. SMOOTH & SILENT