FC-M670 CHAINRING 32T AE

Shimano SLX FC-M670 32T 104BCD Middle Chainring (3×10-Speed) Maintain smooth, precise front shifting on your mountain bike with the genuine Shimano SLX FC-M670 32T Middle Chainring. Designed for Shimano SLX 3×10-speed drivetrains, this 32-tooth replacement ring combines a durable steel-and-fiberglass composite structure to maximize longevity and stiffness under pedaling load. Engineered with Shimano’s specialized shift ramps and tooth profiles, it provides quiet, quick chain pickup when riding technical trails. Key Features Steel & Carbon Composite Construction: Steel teeth offer superior wear resistance against trail grit, while the composite body reduces overall weight and retains rigidity. Optimized 3×10 Shifting: Features engineered shift ramps and pins to facilitate seamless chain pickup across 3×10-speed setups. Standard 104mm BCD: Built for 4-bolt 104BCD mounting interfaces for broad compatibility with classic Shimano 3x cranksets. Genuine Shimano Replacement: Restores factory-fresh shifting precision and drivetrain alignment to SLX FC-M670 cranks. Specifications Specification Details Brand / Series Shimano SLX (M670 Series) Model Code FC-M670 / Y1N298090 Position Middle Tooth Count 32T Bolt Circle Diameter (BCD) 104mm Mounting Pattern 4-Bolt Drivetrain Compatibility 3×10-Speed Chain Compatibility HG-X 10-Speed Chains Material Steel / Glass Fiber Composite Color Black / Silver Compatibility Note Crank Compatibility: Directly compatible with Shimano SLX FC-M670 3×10-speed cranksets (typically paired with a 42T or 40T outer ring and a 24T inner ring). Bolt Pattern: Standard symmetrical 104mm BCD 4-bolt interface.