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RockMan's aluminium screw-on sprockets made from CNCed high quality 7075-T6 aluminium.
- Industry standard 1.37" x 24tpi thread fits screw-on, fixed rear hubs.
- Extra wide 10mm base means more threads and a stronger connection between the sprocket and hub.
- Durable gold anodised finish.
- Available in 12T or 15T.
- Super light: weight: 12g (12T), 19g (15T).