Tuned alloy rims for Enduro riding and racing Front and rear specific rims are optimized to address the specific performance requirements and loads of mountain biking Complianttuned 28-hole front rim improves handling and maximizes grip. Wider rim width supports a wider tire profile up front for more air volume and larger contact patch Stiff tuned 32hole rear rim supports peak loads and enhances stability at speed. Narrower rim width supports a narrower rear tire for lower rolling resistance and good grip from edge knobs Welded and sleeved rim joint for additional strength