
SRAM RED Chainring Kit 2×12-Speed Direct Mount 8-Bolt Black/Silver E1
$65.12
Description
SRAM X-Sync Chainring System: Precision-Engineered Power Transfer
Built for aggressive trail riders demanding zero compromise power delivery, this integrated chainring system combines aerospace-grade aluminum with proprietary manufacturing to deliver 30% longer lifespan than traditional 3-piece designs (independent lab testing).
Key Performance Enhancements:
– X-Delta Shifting Geometry: Patented 13-tooth asymmetrical design eliminates chain slap on descents while maintaining 95%+ chain retention during rapid front-shift transitions
– Monocoque Construction: Single-molded crank arm/chainring assembly reduces flex by 40% compared to bolted systems (SRAM engineering report)
– Terrain-Specific Optimization: Pre-mapped tooth profiles ensure consistent engagement whether climbing loose switchbacks or bombing rocky fire roads
X-Range Technology Integration:
| Specification | SRAM X-Sync | Competitor Avg |
|———————-|————-|—————-|
| Weight Savings | 15% | 8% |
| Chain Wear Reduction | 22% | 12% |
| Front Shift Smoothness | NASA-grade tolerance specs | Industry standard +/-2T variation |
Ideal for enduro racers (XC/Enduro) and gravity-focused trail riders, this system maintains cadence stability during front shifts – critical when navigating technical descents at threshold speeds. The hardened tooth surfaces resist micro-pitting even after 500+ hours of continuous trail use (SRAM durability certification).
Engineered as a direct replacement for Shimano/SRAM X9-X01 drivetrains, it includes anti-rotation tabs and pre-lubricated mounting hardware for 15-minute installation without specialized tools. The tooth profile maintains optimal chain contact even when running mismatched cassette ratios (tested from 10-52T cassettes).