Product Name: STONE 107BCD 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.
CNC process precision: 0.03mm
Material Hardness: HB150
Color: black
Size: 107 BCD
Thickness: 4MM
Speed:9-12 speed,( default is not for axs chain, need to customize if want axs chain tooth shape)
Fit for crankset: only for Sram Rival 4 arms crankset(Not for Force)
Surface treatment: Anodize, high speed CNC
Package Contents:
1 x chainring
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)
34T, 146mm,45g
36T,154mm, 64g
38T, 162mm, 71g
40T, 170mm, 77g
42T, 178mm, 83g
44T, 186mm, 85g
46T, 194mm, 93g
48T, 202mm, 105g
50T, 210mm, 112g
52T, 219mm, 125g
54T, 226mm, 138g
56T, 235mm, 151g
58T, 242mm, 161g
60T, 250mm, 170g
