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Ridea is committed to provide our best engineering to all kind of cyclists. This is the reason we offer our last and best ever mountain crankset with 2 and even 3 chainring configurations. All the goodness of the Pneuma Sekoan crankset, without saying goodbye to your trusty front mech.
| P/N | Pneuma Sekoan M4S2 |
| Crank material | CNC AL7150 |
| Crank arm length | 24: 160; 165; 170; 175 mm |
| Spider mount positions | Three, in 10° steps |
| BCD | 104/64 mm |
| Weight | 460 g (170 mm; TI64-24 mm spindle; w/o chainring) |
| Ridea chainrings | Powering M4S2 (2x) |
| Colors | Black (more colors are available as a customization option) |
| Spindle diameter | Spindle material | Spindle length | Bearing contact area | Chain line | Q factor |
| 24 mm | SCM440 or TI64 | 130/136 mm | 96/102 mm | 52/55 mm | 172/178 mm |