Specifications Hign-concerned Chemical:None Type:Bicycle Chainwheel Use:Mountain Bikes Material:Aluminum Alloy Category:Chain Wheel Brand Name:VXM Origin:Mainland China Use:Mountain Bikes Category:Chain Wheel Model Number:32T 34T 36T 38T Material:Aluminum Alloy Follow the store to get more discounts >>>>Please note: Product features: increased hardness, hollow anti-debris accumulation, electroplating anode dazzling Manufacturing process: CNC cutting Material: aluminum alloy Ultra-light disc, saving more vehicle weight Please contact us before leaving negative feedback or raising a dispute. We are very willing and will try our best to help you solve any problems. We are serious sellers. Please trust us. If you are satisfied with our products and services, please take a few minutes to write us a positive five-star feedback and thank you in advance for your support. Russian friends, please leave your full name: surname+first name, so that the package can be normal 4 sizes to choose The distance traveled in a circle (cadence) Speed comparison under the same physical exertion Round Oval Positive and negative tooth design Prevent drop (Removed the front derailleur + left finger dial + part of the line tube + the large plate of the middle plate) Greatly reduce the load on the vehicle Oval chainwheel superiority, increased frequency, and easier middle gear planning Blue represents the trampling interval Red represents the middle gear