Giro Quarter Helmet - Matte Grey drumbeat21-257 Daytona and Avanti sealed cartridge

Daytona and Avanti sealed cartridge bottom brackets

95mm Head Tube Reamer for 1-1/8" ZS Standard

- World-class rolling resistance - the Valkyrie is our fastest rolling road clincher

uni or just rolling to the cafe on the weekend

Giro Quarter Helmet - Matte Grey drumbeat21-257 Daytona and Avanti sealed cartridgeDOWN AND DIRTY The Quarter is the lowest profile helmet we've ever made, and it 's also the lightest we've made with an ABS shell. All of the essentials are here a tough outer shell with impact absorbing EPS liner, riveted webbing anchors and plush, sweat absorbent pads that are easy to swap for dialing in the fit. A polyurethane coating helps to protect the EPS liner from daily wear and tear. Available in a bunch of great colors and three Super Fit