Stone 120BCD Round Chainring for Sram X9 XX

Material: Aluminum 7075-T651 from Aleris USA
Color: black
Size: 120BCD

 

Fit :for Sram X9-2X10,XX,BCD120 Crank

 

Thickness:4MM
Speed: 9/10/11/12 speed

 

Hardness: 150HB
Process pricision: 0.03mm

 

Tooth Max diameter(mm) Weight(g)
36 T , 154 mm , 51 g
38 T , 162 mm , 61 g
40 T , 169 mm , 73 g
42 T , 178 mm , 78 g
44 T , 186 mm , 87 g
46 T , 194 mm , 93 g
48 T , 202 mm , 102 g