The All-City Master Dropout is a sliding dropout system consisting of replaceable dropout plates and fixing hardware. Designed for use with 12mm thru-axles and flat-mount brakes, it is compatible only with select All-City models.

• Non-Drive Side, use with multi-speed and single-speed setups
• Plate and fixing hardware included
• Compatible with Flat Mount disc brakes
• Allows riders to convert from a geared to single-speed setup or vice-versa
• Compatible only with select All-City models
• No additional chain tension adjustment required