STONE 86 BCD Chainring, Narrow Wide Tooth
Size: 86 BCD round
Thickness: 4MM
Speed: 9/10/11/12 speed, for both Sram and Shimano 12 speed chains
Tooth: 30-46T
Color: black
Surface treatment: Anodize, high speed CNC
Fit for crank: SLK 3 paws, K-force, SLK
Material: High strength Aluminum 7075-T651, supplied by USA company Aleris who is supplier to aircraft make Airbus, Boeing and Bombardier.
Material Hardness:HB150
Package Contents:
1 x chainring, 3 bolts