Plate Negative Teeth Single Plate Chainring for Shimano M9100 / M8100 Direct Mount (46T, 48T, 50T, 52T, 54T) Key benefits Smooth, reliable shifting: Engineered tooth profile and precise CNC machining deliver consistent front shifting and reduced chain noise. Secure chain retention: Positive and negative tooth geometry reduces chain drop and improves chain adhesion under load. Lightweight, durable construction: Forged 7075T6 aluminum and full CNC finishing provide a strengthtoweight ratio for long service life. Easy integration: Directfit design for Shimano M9100 and M8100 direct mount systems for straightforward installation and compatibility with common drivetrains. What it is and how it helps Function: A single plate chainring designed to or upgrade front chainrings on direct mount M9100 and M8100 road drivetrains. Problem solved: Stops premature chain drop, reduces drivetrain noise, and lowers rotating weight compared with heavier or worn stock rings. Standout features: Narrowwide style tooth engineering with alternating positive and negative tooth profiles for stronger chain engagement and quieter pedaling. Specifications and compatibility Sizes available: 46T, 48T, 50T, 52T, 54T. Compatibility: Works with 10, 11, and 12speed drivetrains; intended for road use including folding bikes and disc brake models that use M9100/M8100 direct mount interfaces. Material and manufacture: Forged 7075T6 aluminum alloy, fully CNC machined. Multiple chamfers on the gear disk reduce weight and improve airflow around the ring. Performance notes: Designed to retain secure engagement across varied terrain while maintaining smooth, quiet operation. Practical use scenarios Daily commuter on a folding road bike: Lightweight construction reduces overall bike weight and the secure tooth profile prevents chain drop during frequent stops and starts. Long road rides and group rides: Precise shifting and quiet operation let you focus on cadence and power without drivetrain distractions. Travel or bikepacking: Directmount compatibility and robust 7075T6 aluminum build make this a reliable replacement when you need a durable, lightweight chainring that integrates with existing M9100/M8100 setups. Installation and maintenance Fits directly into Shimano M9100 and M8100 direct mount interfaces; use manufacturerrecommended torque settings. Routine inspection for wear and debris and occasional cleaning will maintain shifting quality and chain retention. Choose this plate negative teeth single plate chainring when you need a durable, lightweight upgrade that improves chain retention, reduces noise, and fits seamlessly with M9100 and M8100 direct mount road systems.