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The spider-based power meter SPM2arrives to mountain bikes with the Pneuma Sekoan cranks. All the internal technology available in the road version has been compressed into a smaller package to allow the use of BCD 96 mm chainrings compatible with all modern MTB frames and groupsets.
Ridea SPM2 is a family of spider-based power meters available for road, track/single speed and mountain bikes. A spider-based power meter combines the ability to provide the most precise measurements in both legs with the smallest weight penalty (65 g more on average than a regular spider).
SPM2 integrates four measuring gauges to deliver accurate data (±1.5%) for both legs during up to 120 hours with an integrated battery rechargeable via USB. Everything protected under an IPX6 certification.
Connect via ANT+™ or Bluetooth® LE to your cycling computer or smartphone app and just ride! The automatic zero offset function will provide precise measurements of all your trainings and races.
P/N | Pneuma Sekoan SPM2 MSH1 |
Crank material | CNC AL7150 |
Crank arm length | 24: 160; 165; 170; 175 mm |
Spider mount positions | Three, in 10° steps |
BCD | 96 mm |
Weight | 520 g (170 mm; TI64-24 mm spindle; w/o chainring) |
Ridea chainrings | Powering MSH1 (1x only) |
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 | 130/136/139 mm | 96/102/105 mm | 52/55/56.6 mm | 172/178/181 mm |
SPM2 Power Meter Spider Unit | |
Leg measurement | Both legs |
Gauges | 4 |
Accuracy | ±1.5 % |
Power range | 0-2000 W |
Cadence range | 30-200 rpm |
Calibration | Auto Zero Offset |
Weather sealing | IPX6 |
Battery | 120 hours |
Temperature range | -20-50 °C |
Connectivity | ANT+™ and Bluetooth® LE |