Product Name: STONE 107BCD Oval 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)
Package Contents:
1 x chainring, 4 bolts
Tooth Max diameter(mm) Weight(g)
36T,162mm, 58g
38T, 170mm, 65g
40T, 178mm, 78g
42T, 186mm, 84g
44T, 194mm, 91g
46T, 202mm, 108g
48T, 210mm, 116g
50T, 219mm, 125g
52T, 226mm, 132g
54T, 235mm, 143g
56T, 242mm, 152g
58T, 250mm, 163g
60T, 259mm, 173g
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.
