Number of gears: 12 speeds

4mm outside spline diameter

35mm bar diameter

BR-R9170 - Dura-Ace

you know exactly how uncomfortable it can be

Giro Radix MIPS Helmet - L - Matte Bright Red - Dark Red - AS-NZS�2063-2008 Standard Needs Images Number of gears: 12 speedsRugged style and durability combine in the Giro Radix MIPS Helmet. Featuring a deep coverage shell with a hardbody wrap and 25 vents, Roc Loc 5. 5 MIPS retention system, and a POV visor with 15 degrees of adjustment, the Radix is a Trail style open face helmet that provides plenty of protection while helping you to keep a cool head. Note: While this is the Men's version of the Radix helmet, the fit is exactly the same as the Women's Radix helmet so