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 12s
Mounting hole spacing:130mm with 5-arm
Compatible for 130BCD Crank road bike,folding bike
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 chain may hit 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.
Use a hex wrench to exchange the position of the anti-chain-drop pin and black pin, then it can install on hidden style crank.
Note: Some Hidden fifth arm(4-arm visible) cranksets may not be compatible.
Material: 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: black
Size:130bcd 5 arms
Advantage: shifting is very fast
Weight: 53-39T 163g, 54-40T 174g , 55-40T 176g, 56-42T 204g, 58-44T 220g
Not support axs flattop 12s chain. but other brand 12s chain works, like KMC YBN SUMC.
NOTICE: if you buy 58-44T, we recommend buy a STONE 12s extender to get better shifting experience.
Package content: 2 chainrings and 5pcs aluminum bolts
STONE Road Bike Front Derailleur Extender for 12s,Compatible with 10s 11s
if you want small size like 46T 48T, it can help you. if you want too big size like 55T 54T, it also can help you.
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.
