Stone Round Chainring 130 BCD for Shimano 5700 6700 38T 40 42t 44T 46 48 50 52 55 58T 60T Road Bike Circle Sliver ChainWheel 130bcd for Sram Red Rotor QUARQ

Product Name: STONE 130 BCD round Chainring, narrow and wide. Material: High strength Aluminum 7075-T651, supplied by USA company Aleris who is supplier to aircraft make Airbus, Boeing and Bombardier. Material Hardness: HB150. CNC process precision: 0.03mm. Color: black/sliver. Size: 130 BCD. Thickness: 4MM. Speed: 9/10/1112speed. Fit for: 130 bcd crank for Sram red for Rotor for Shimano 57006700. Surface treatment: Anodize, high speed CNC. Package Contents: 1 x chainring, 5 bolts Advantages: 1. Material: High strength Aluminum 7075-T651, supplied by USA company Aleris who is supplier to aircraft make Airbus, Boeing and Bombardier. Offer best stiffness and endurance. High precision CNC processing. Working accuracy 0.03mm. Ensure offers you the best riding component. 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