:(Blue)FMFXTR 104BCD Crankset Chainring Aluminum Alloy Positive And Negative.
Feature: \n 1. The crankset chainring is made of strong aluminum alloy to ensure they are resistant to wear and deformation.\n2. Its narrow and wide chainring design ensures that the chain is fixed, protects from scratches, and reduces friction and noise.\n3. Unique chainring design increases the contact area of \u200Bthe chain, and prevents it from sagging, for you to easily pass on bumpy roads.\n4. With ergonomic design, stamping is used to generate more traction to reduce the load on the legs or knees and ensure a smooth ride.\n5. It can be used without front derailleur, which greatly reduces the load on the bike and reduces the trouble of chain dropping. \n\nSpecification: \n\nItem Type: 104BCD Crankset Chainring \nMaterial: Aluminum Alloy\nOuter Diameter: Approx.153mm/6.0in\nAdjacent Aperture Distance: Approx.74mm/2.9in\nDiagonal Aperture Distance: Approx.104mm/4.1in\nTeeth Number: 36T\nApplicable Reference: 36T single disc, suitable for riders cruising about 30 :
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