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DJC Stone Oval Chainring Direct Mount for Easton EC90 EC90SL Cinch Crankset Road Bike Gravel 9 10 11 12s Speed 40t 42t 48t 50t 54t 56t Hollow

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Product details

Management number 214550401 Release Date 2026/04/12 List Price $23.74 Model Number 214550401
Category

DJC Stone Oval Chainring Direct Mount For Easton EC90 EC90SL CINCH Crankset Road Bike Gravel 9 10 11 12s speed 40t 42t 48t 50t 54t 56t HollowFeaturesFit for crank: for EC90SL CINCH system only, not work with any other crankset.Chainline: 46mm; Chainring offset is inner 3.5mm. Good for Gravel and road bike. Not good for MTB. As chainline is different.Chain Speed support: 8-9-10-11-12 speed(MTB chain), 8-11s(Road bike chain). Not support AXS 12 speed flattop chain.If you are 12 speed original road bike chain for shimano, it have to replace the 12speed orginal quick link to any other brand quick link, as the original one is too narrow.Tooth: 40T-56T; Thickness: 8MM.Size Diameter Weight40T, 169mm, 97g42T, 178mm, 104g44T, 186mm, 115g46T, 194mm, 122g48T, 202mm, 130g50T, 210mm, 137g52T, 219mm, 143g54T, 226mm, 150gPackage Contents1pc chainringSTONE Chainrings — Race-Ready PrecisionTrusted by riders worldwide and favored by EU & USA race teams, STONE chainrings are built for high-load riding and competitive performance.Using aerospace-grade 7075-T651 aluminum from Alcoa and Aleris, STONE achieves exceptional stiffness and durability, with a tested lifespan of up to 15,000 km.High-precision CNC machining within 0.03 mm tolerance guarantees efficient power transfer, minimal noise, and stable shifting under pressure.More than manufacturing, STONE focuses on tooth profile innovation—delivering lightweight design, secure chain retention, and race-proven reliability.Engineered for racing. Proven on the road.

  • Fit for crank: for EC90SL CINCH system only, not work with any other crankset.
  • Chainline: 46mm; Chainring offset is inner 3.5mm. Good for Gravel and road bike. Not good for MTB. As chainline is different.
  • Chain Speed support: 8-9-10-11-12 speed(MTB chain), 8-11s(Road bike chain). Not support AXS 12 speed flattop chain.
  • If you are 12 speed original road bike chain for shimano, it have to replace the 12speed orginal quick link to any other brand quick link, as the original one is too narrow.
  • Tooth: 40T-56T; Thickness: 8MM; Package Contents: 1pc chainring.
Size 40T
Brand Name DJC Components
Manufacturer DJC

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