BCD 110+130 60T/56T/52T Chainring for Brompton (MiniMODs)

For Brompton Birdy or any folders or bikes with BCD110 or 130 Chainring spec.Also Compatible with Schlumpf Speed drive, High Speed drive or Mountain drive (if you can handle it). For Brompton Birdy or any folders or bikes with BCD110 or 130 Chainring spec.

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