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 anodized
Size: 82 BCD, round
Thickness: 4MM
Speed: 9-10-11-12 speed(MTB) 9-11s(Road)
Fit for Fsa Gamma Pro and Alpha Drive 1x crankset,fit for Marlin 7 Mtb Bike.
Surface treatment: Anodize, high speed CNC
Package Contents:
1 x chainring, 4 bolts
Tooth Max diameter(mm) Weight(g)
30 T , 130 mm , 50 g
32 T , 138 mm , 56 g
34 T , 146 mm , 59 g
36 T , 154 mm , 61 g
38 T , 162 mm , 68 g
40 T , 170 mm , 74 g
42 T , 178 mm , 81 g
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.
