DJC Stone 110bcd Double Chainring for Shimano 12S 5 Bolts Crank 12 Speed Road Bike Round 2X

DJC Stone 110bcd Double Chainring for Shimano 12S 5 Bolts Crank 12 Speed Road Bike Round 2XFeaturesFit for: for any brand of 110bcd 5 bolts crankset and power meter of road bike and gravel bike. Oridinary style 5 arms crank support, hidden style 5 arms crank also support. Exchange the position of anti drop pin to other side, then it will works.Chain support: for shimano brand 12s chain of road bike, also compatible with 11s chain. Not for Sram AXS flattop chain.Shifting pins: 4-10pcs. 46-50Thave 4-6pcs shifting pins. 52-58T have 8-10pcs shifting pins. Those setting are proved offer best shifting speed.Material: High strength Aluminum 7075-T651; High precision CNC processing; Offer best stiffness and endurance; Tested lifespan up to 15,000 km.Package content: 2pcs chainrings and 5pcs ordinary bolts.Tooth, Weight, Shifting pins46-32T, 120g (4.23 oz), 4pcs48-33T, 145g (5.11 oz), 6pcs50-34T, 149g (5.26 oz), 6pcs52-36T, 172g (6.07 oz), 8pcs53-39T, 175g (6.17 oz), 9pcs54-40T, 188g (6.63 oz), 10pcs55-40T, 208g (7.34 oz), 10pcs56-42T, 223g (7.87 oz), 10pcs58-44T, 247.3g (8.72 oz), 10pcsSTONE 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.

• Fit for: for any brand of 110bcd 5 bolts crankset and power meter of road bike and gravel bike. Oridinary style 5 arms crank support, hidden style 5 arms crank also support. Exchange the position of anti drop pin to other side, then it will works.
• Chain support: for shimano brand 12s chain of road bike, also compatible with 11s chain. Not for Sram AXS flattop chain.
• Shifting pins: 4-10pcs. 46-50T have 4-6pcs shifting pins. 52-58T have 8-10pcs shifting pins. Those setting are proved offer best shifting speed.
• Material: High strength Aluminum 7075-T651; High precision CNC processing; Offer best stiffness and endurance; Tested lifespan up to 15,000 km.
• Tooth and Weight: 46-32T(120g/4.23 oz), 53-39T(175g/6.17 oz), 58-44T(247.3g/8.72 oz). Package content: 2pcs chainrings and 5pcs ordinary bolts.