FMFXTR 104BCD Crankset Chainring Aluminum Alloy and Negative 36T Chainring

The crankset chainring is made of strong aluminum alloy to they are resistant to wear and deformation. Its narrow and wide chainring design s that the chain is fixed, from scratches, and reduces friction and noise. Unique chainring design increases the contact area of ​the chain, and prevents it from sagging, for you to easily pass on roads. Item Type: 104BCD Crankset Chainring  Material: Aluminum Alloy Outer Diameter: Approx.153mmCelsius6.0in Adjacent Aperture Distance: Approx.74mmCelsius2.9in Diagonal Aperture Distance: Approx.104mmCelsius4.1in Teeth Number: 36T Applicable Reference: 36T single disc, suitable for cruising about 30 yards on flat roads, players with better physical fitness, or who want to  country with an expansion disc.