[STONE] Narrow-wide type Chainring for Brompton 40T 44T 48T 50T 52T 54T 56T
Product Name: STONE 110/130 BCD round Chainring, narrow and wide type Material: High strength Aluminum 7075-T651, supplied by USA company Aleris who is supplier to aircraft make Airbus, Boeing and Bombardier. CNC process precision:0.03mm Color: black Size: 110/130 BCD Thickness: 4MM Speed: 9/10/11/12speed Suport both Sram and Shimano 12 speed chain Fit for: 110/130 bcd crankset Surface treatment: Anodize, high speed CNC Pack quantity: 1 x chainring and 5 pairs of steel chainring bolts