•The design of positive and negative teeth eliminates the need to install a chain guide and there is no need to worry about the chain falling •Suitable for AM/XC bike models modified single disc, if you like a lightweight bike, we recommend you install this •The weight can be reduced by about 1KG (removing the front derailleur + left thumb shifter + middle chainring and large chainring + some cable tubes, etc.) •High-strength aluminum alloy material, strong and durable Specification: •Material: 7075 aluminum alloy •Thickness: 4mm •BCD: 104mm •Technology: full CNC processing technology •Type: 32T 34T 36T disc •Applicable cranks: Can be used for Shimano(most models) and quick-connect cranks. For other cranks, it is recommended to measure before purchasing Note: Please be sure to confirm that the crank specification is BCD 104 mm before purchasing. Package included: •1 x Bike Chainring