Industry Nine Hydra 2 Classic Rear Hub - 12 x 148mm 6-Bolt Micro Spline Green 28H Weight-550g Battery Type Lithium Ion Connectivity

Battery Type Lithium Ion Connectivity ANT+ BT Customizable Screen Yes GPS Yes Heart Rate Monitor Yes Primary Color Black Touchscreen No External Sensor Compatibility Speed/Cadence/HR Wristband Charcoal - Silicone Watch Color Black Solar Charging Yes

Material Ceramic Number 61903

For use with vintage cranksets we recommend a set of our 10mm bolts and you will use your existing bolt/nut for the 5th hole

With its carbon construction

and downhill rides

Industry Nine Hydra 2 Classic Rear Hub - 12 x 148mm 6-Bolt Micro Spline Green 28H Weight-550g Battery Type Lithium Ion ConnectivityIndustry Nine Hydra 2 Classic Rear Hub 12 x 148mm 6 Bolt Micro Spline Green 28H. Completely re engineered using insights gleaned from more than 100000 original Hydra hubs in the field Hydra 2 features a newly designed 65% thicker axle larger 6903 bearings with new labyrinth seals and enlarged pawl pockets that ensure bombproof durability under the most demanding conditions. 6 Pawl Hydra 2 Freehub Body provides a groundbreaking 870 P. O. E. Hydra 2