DJC Stone 130bcd Round Double Chainring for Shimano 11s 12s Road Bike Folding Bike 58-44T 56-42T 55-40T 54-40T 53-39T

Stone 130bcd Round Double Bike Chainring for Shimano Folding Road Bicycle for Sram 11 12 Speed 58 44 56 42 55 54 40 53 39t 12sMounting hole spacing:130mm with 5-armCompatible for 130BCD Crank road bike,folding bikeMaterial: High strength Aluminum 7075-T651.The chainring comes with aluminum 7075 chainring bolts,these bolts feature a dual internal hex locking structure, making installation easy and convenient.Color: blackSize:130bcd 5 armsAdvantage: fast chain shiftingSpeed: for 11-12speed,for shimano 11-12s road bike,for sram 11 speed.Not for AXS chain.(10 speed groupsets is not recommended, as it may cause chain rubbing issues on the large chainring)Compatible Cranksets: BCD130 5-arm cranksets, supporting both Standard 5-arm(5-arm visible) installation and Hidden fifth arm(4-arm visible) installation.By using a hex wrench, the position of the chain-drop pin can be adjusted to switch between the two configurations.Note: Some Hidden fifth arm(4-arm visible) cranksets may not be compatible.Weight:53-39T 163g54-40T 174g55-40T 176g56-42T 204g58-44T 220gNot support axs flattop 12s chain. other brand 12s chain works, like KMC YBN SUMC.NOTICE:If you buy a chainring that is too large (greater than 54T) or too small (less than 48t) , please purchase an extender to use together, use it to lower or raise the front derailleur to avoid the problem of the chainring not being able to be used.Package content:2 chainrings and 5pcs aluminum bolts

• Compatible Cranksets: BCD130 5-arm cranksets, supporting both Standard 5-arm(5-arm visible) installation and Hidden fifth arm(4-arm visible) installation.
• Tooth option: 53T/39T, 54T/40T, 55T/40T, 56/42T, 58/44T
• Speed: for 11-12speed,for shimano 11-12s road bike,for sram 11 speed.Not for AXS chain. (10 speed groupsets is not recommended, as it may cause chain rubbing issues on the large chainring)
• Material: High strength Aluminum 7075-T651; high precision CNC processing; offer best stiffness and endurance
• Package content: 2 chainrings and 5pcs aluminum bolts