Chainring

Stone 135BCD Chainring Round Narrow Wide 42 44 46 48 52 54 56T 58 60T tooth Road MTB Bike ChainWheel for campagnolo Product Name: STONE 135 BCD Chainring, narrow wide tooth 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 Size: 135BCD This chainring is design for 1x speed bike, not support 2x speed bike and not support front shifter and derailleur. Chain Speed support: 9-10-11-12 speed(MTB chain) 9-11s( for Sram Road bike chain) 9-12s(for shimano Road bike chain) Default Not support AXS flattop chain. If want tooth shape for sram axs flattop chain, please send us a message to customize and pay extra surcharge. Fit :for Campagnolo Crank Thickness: 4MM Package Contents: 1pcs Chainring, 5pcs 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. 2 High precision CNC processing. Working accuracy 0.03mm. Ensure offers you the best riding component. Tooth Max diameter(mm) Weight(g) 42 T , 178 mm , 59 g 44 T , 186 mm , 64 g 46 T , 193 mm , 70 g 48 T , 201 mm , 85 g 50 T , 209 mm , 87 g 52 T , 218 mm , 90 g 54 T , 226 mm , 103 g 56 T , 235 mm , 109 g 58 T , 242 mm , 115 g 60 T , 250 mm , 134 g