Type: Positive and negative teeth single disc (disc/oval disc)
Material: aluminum alloy
Color: black red blue green purple gold
Thickness: 4MM
BCD: 104MM (commonly 104BCD)
Process: CNC machining process
Specifications: 32T 34T 36T 38T 40T 42T Disc
Note: Please be sure to confirm that the crank BCD (distance to the hole) is 104mm before purchasing
Applicable cranks: can be used for most SHIMANO cranks, other cranks are recommended to be measured before purchasing
Product advantages: The design of positive and negative teeth makes it unnecessary to install a chain guide, and there is no need to worry about dropping the chain. It is suitable for modifying the single chainring of AM/XC models. Friends who like lightweight, recommend you to install it! The weight can be reduced by about 1KG! (Remove the front derailleur + left finger shift + middle disc and large disc + some wire pipes, etc.)