The SRAM Chainring 39 Tooth S2 is a premium component designed for high-performance cycling. With a 120 BCD (Bolt Circle Diameter) and 4-bolt alloy construction, it offers durability and precision. The short pin design ensures secure chain engagement. Compatible with BB30 cranksets, this chainring is ideal for riders seeking reliable power transmission and smooth shifting.
Specifications
Original replacement rings for Sram X.9/X.0 2 x 10 Systems
Outer rings are ramped and pinned
X-Glide Specific: Use 26t inner with 39t outer
X-Glide Specific: Use 28t inner with 40t outer
4 Bolt pattern: 80mm Inner/120mm outer BCD
7075-T6 aluminum construction with a blast-black anodized finish treatment and CNC/laser detailing for 10-speed drivetrains (X.0 level)
Outer chainrings specific to GXP or BB30 cranks
Mfr Claimed Weight
TBC
