STONE 130 BCD round Chainring, narrow and wide
Material Hardness:HB150
CNC process precision:0.03mm
Color: black/ silver
Size: 130 BCD
Thickness: 4MM
Speed: 9/10/11 /12speed
Suport both Sram and Shimano 12 speed chain
Fit for: 130 bcd crank
for Sram red
for Rotor
for Shimano 5700 6700
Surface treatment: Anodize, high speed CNC
Tooth Max diameter(mm) Weight(g)
38 T , 162 mm , 49 g
40 T , 170 mm , 61 g
42 T , 178 mm , 70 g
44 T , 186 mm , 74 g
46 T , 194 mm , 79 g
48 T , 202 mm , 84 g
50 T , 210 mm , 97 g
52 T , 219 mm , 104 g
54 T , 226 mm , 111 g
56 T , 235 mm , 119 g
58 T , 242 mm , 127 g
60 T , 250 mm , 136 g