Stone 130 BCD chainring fixed gear track bike fixie Round 42T 46T 48T 50T 52t 54 58t 60t tooth Chainwheel 130bcd
Material: High strength Aluminum 7075-T651, supplied by USA company Aleris who is supplier to aircraft make Airbus, Boeing and Bombardier.
Material Hardness:HB150
Color: black
Size: 130BCD
Fit for : Fixed Gear/Track Bike(Single Speed Bike)
Chain: 1/2*1/8
Thickness:4MM
CNC process precision: 0.03mm
Tooth Max Diamter(mm) Weight(g)
42t 200 130
60T 249 280