Product Name: STONE 107BCD Round Chainring, narrow and wide
Material: High strength Aluminum 7075-T651
Material Hardness: HB150
CNC process precision: 0.03mm
Surface treatment: Anodize, high speed CNC
Color: black
Size: 107BCD for FORCE 4 arms crankset only, not for other 107bcd crank
Offset:
34-38T is 0mm inner offset.
40-60T is 2mm inner offset. this design will make better chainline.
Thickness: 4MM
Speed:9-11 speed for Sram, 9-10-11-12 speed for Shimano
(default not support axs flattop 12s chain, if want axs tooth please send us a message to customize)
This chainring is design for 1x speed bike, not support 2x speed bike and not support front shifter and derailleur.
Tooth Max diameter(mm) Weight(g)
34T, 146mm,48g
36T,154mm, 55g
38T, 162mm, 66g
40T, 170mm, 77g
42T, 178mm, 86g
44T, 186mm, 96g
46T, 194mm, 104g
48T, 202mm, 114g
50T, 210mm, 123g
52T, 219mm, 132g
54T, 226mm, 142g
56T, 235mm, 150g
58T, 242mm, 161g
60T, 250mm, 170g
Package Contents:
1pcs chainring, 4pcs bolts
Advantages:
1 Material: High strength Aluminum 7075-T651, supplied by USA company Aleris who is supplier to aircraft make Airbus. Offer best stiffness and endurance.
2 High precision CNC processing. Working accuracy 0.03mm. Ensure offers you the best riding component.
Notice:
Default not Support Sram 12s AXS
if need AXS, send message to us. AXS need to customize, and pay extra charge
