Material Hardness:HB150
CNC process precision:0.03mm
Color: black/ silver
Size: 130 BCD
Ovality: 8.3%
Thickness: 4MM
Speed: 9/10/11 /12speed
Support 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
Process pricision: 0.03mm
Tooth Max diameter(mm) Weight(g)
40 T , 178 mm , 86 g
42 T , 186 mm , 85 g
44 T , 194 mm , 90 g
46 T , 202 mm , 86 g
48 T , 210 mm , 99 g
50 T , 219 mm , 107 g
52 T , 226 mm , 112 g
54 T , 235 mm , 119 g
56 T , 242 mm , 124 g
58 T , 250 mm , 129 g
60 T , 259 mm , 133 g