Features 1. Light weight but also high strength. 2. Fit for various kinds of bike crank which BCD is 104mm. Make sure your crank size is 104MM BCD or 96MM BCD before purchase. 3. Precision machining and anodic oxidation electroplating, keep medals smooth surface, bright color, not faded and corrosion resistance. 4. The narrow wide tooth design increasing the contacting area with the chain greatly, so that each of the teeth can be fully inserted into the chain, increase the grasp force, make you no longer worried about the chain dorpped, easy to pass through the bumpy road. Specification Material: Aluminum alloy Color: Black/red/blue/green/gold/purple Thickness: 4MM BCD: 104MM Process: Full CNC machining process Weight: 32 ellipses/34 ellipses/36 ellipses: 41/49/60g 104BCD teeth: 32T 34T 36T Package Includes: 1 x Disc 32T: The common BCD 104 crank can be fitted with small teeth (except for the 30 tooth structure) suitable for steep slopes XC off-road (without extension disc) or AM FR DH. Heavy duty vehicle. 34T: The number of teeth commonly used at 34T (take the 26-inch wheel group as an example) is more suitable for xC off-road, with sufficient slope climbing force and fast acceleration. 36T: It is suitable for the riders who cruise around 30 yards on the flat road, xC riders with good physical fitness, or riders who want to go off-road but also want to be faster with the expansion plate Package List Package Includes: 1 x Disc Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-DIMEANI official store