Stone 144BCD Chainring Track Bike fixie Fixed Gear Narrow n Wide 44 46 48 50 52 54 55 56 58T 60T ChainWheel Round
Product Name: STONE 144 BCD round Chainring, narrow and 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
Chain speed fit: 9/10/11/12 speed
(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. )
Size: 144 BCD
Thickness: 4MM
Fit for: 144 BCD Crank(for track bike and fixed gear)
Surface treatment: Anodize, high speed CNC
Package Contents:
1pcs chainring, 5pcs steel 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.
Material from USA company Aleris, it supply aluminum to aircraft make Airbus, Boeing and Bombardier as well.
