DetailsMountain bike's first tuned carbon wheel system for enduro riding and racing.Front and rear specific wheels tuned and optimized to address the specific performance requirements and loads of mountain bike riding.Compliant tuned front wheel improves handling and maximizes grip and control in turns. Wider inner rim width supports wider tire profile in front, increased volume and contact patch, and rounds tire profile to enhance turning.Stiff tuned rear wheel supports peak loads and enhances stability and tracking at speed. Narrower inner rim width supports narrower tire profile in rear, improves rolling resistance, and sharpens tire edge for grip.
Specsengagement (I9)0.52º Quick Engagement/ Six Pawlsengagement (P321)2.5º quiet engagement / magnetic pawls (x6)ETRTO (27.5)585mmETRTO (29)622mmfront hub dimensionsBoost: 20mm, Standard: ISO 20mmhub (I9)Synthesis 11 (Industry Nine Hydra Hub)hub (P321)Synthesis 11 (Project 321 internals)inner rim width front31.5mminner rim width rear31.5mmouter rim width front38.7mmouter rim width rear39.5mmrear hub dimensions12x157mm (installed), 12x150mm (axle end cap kit available)rim height18.75mmspoke count front28spoke count rear32spokes frontSapim CX-Rayspokes rearSapim CX-Sprintwarrantylifetime (rim only)weight per set (27.5)1945gweight per set (29)1995g
