Stone 120BCD Oval Chainring for Sram X9 XX

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

Fit for Sram X9-2X10,XX,Part of Race-Face Crank

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

Hardness: 150HB
Process pricision: 0.03mm

Tooth Max diameter(mm) Weight(g)
36 T , 158 mm , 48 g
38 T , 169 mm , 55 g
40 T , 178 mm , 62 g
42 T , 186 mm , 70 g
44 T , 194 mm , 80 g
46 T , 202 mm , 89 g
48 T , 210 mm , 90 g