Stone Track Chainring 144BCD

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.

Thickness:4MM
CNC process precision: 0.03mm

Tooth   Max Diamter(mm)   Weight(g)
42t         200             130
60T      249             280