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STONE 144BCD round Chain ring high stiffness for fixed gear
Material: Aluminum 7075-T651 from Aleris USA
Stiffness: 150HB
Color: black, anodized
Size: 144BCD
Arm paw: 5
Tooth: 42T to 70T
Chain compatible:1/2*1/8 inch
Fit for : Fixed Gear/Track Bike(Single Speed Bike)
Stone 144BCD single speed chainring loved by lots of professional track bike, T T bike riders in worldwide. Welcome to try it. And you will finally found, it’s a super good choice.
Tooth Max Diamter(mm) Weight(g)
42t 200 130
60T 249 280
Thickness:4MM
CNC process precision: 0.03mm
