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Robust and light 1x crankset specifically designed for your Brompton, Birdy, Dahon, Moulton and many others.
| P/N | ES BCSA |
| Crank material | CNC AL7150 |
| Crank arm length | 170 mm |
| BCD | 130 mm |
| Spindle | 24 mm |
| Chainline | 48 mm |
| Weight | 512 g (170 mm; Ti spindle; w/o chainring) |
| Ridea chainrings | LamiFlow R5ST series (1x) |
| Colors | Black (more colors are available as a customization option) |