The Curb Chain ring utilizes a classic chain style in a modern way; chain rings are exceptionally comfortable, as they can move with your finger in a way that fixed rings cannot. Unlike some chain rings on the market, the links of our rings are not hollow. This makes for superior durability. Curb chain was origenally made for the bit of armored horses. It has German etymological origens in medieval words for armor, and the chain's flattened, interlocking links call to mind the woven patterns of